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3101130121 = 5718536367
BaseRepresentation
bin1011100011010111…
…0111110110001001
322000010022201210011
42320311313312021
522322342130441
61231415551521
7136564112455
oct27065676611
98003281704
103101130121
111351563a61
1272668b5a1
133a563254b
14215c0d665
151323bd581
hexb8d77d89

3101130121 has 8 divisors (see below), whose sum is σ = 3110691584. Its totient is φ = 3091584240.

The previous prime is 3101130103. The next prime is 3101130127. The reversal of 3101130121 is 1210311013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3101130121 - 217 = 3100999049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3101130127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483880 + ... + 490246.

It is an arithmetic number, because the mean of its divisors is an integer number (388836448).

Almost surely, 23101130121 is an apocalyptic number.

It is an amenable number.

3101130121 is a deficient number, since it is larger than the sum of its proper divisors (9561463).

3101130121 is an equidigital number, since it uses as much as digits as its factorization.

3101130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7791.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 3101130121 is about 55687.7914896973. The cubic root of 3101130121 is about 1458.2769002278.

Adding to 3101130121 its reverse (1210311013), we get a palindrome (4311441134).

The spelling of 3101130121 in words is "three billion, one hundred one million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 571 853 6367 487063 3635557 5431051 3101130121