3141355121 has 4 divisors (see below), whose sum is σ = 3208192512. Its totient is φ = 3074517732.

The previous prime is 3141355117. The next prime is 3141355123. The reversal of 3141355121 is 1215531413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3141355121 - 2² = 3141355117 is a prime.

It is a super-2 number, since 2×3141355121² = 19736223992465849282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3141355123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33418625 + ... + 33418718.

It is an arithmetic number, because the mean of its divisors is an integer number (802048128).

Almost surely, 2^3141355121 is an apocalyptic number.

It is an amenable number.

3141355121 is a deficient number, since it is larger than the sum of its proper divisors (66837391).

3141355121 is an equidigital number, since it uses as much as digits as its factorization.

3141355121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66837390.

The product of its digits is 1800, while the sum is 26.

The square root of 3141355121 is about 56047.7931858160. The cubic root of 3141355121 is about 1464.5549745357.

Adding to 3141355121 its reverse (1215531413), we get a palindrome (4356886534).

The spelling of 3141355121 in words is "three billion, one hundred forty-one million, three hundred fifty-five thousand, one hundred twenty-one".