3131030121 has 8 divisors (see below), whose sum is σ = 4394428320. Its totient is φ = 1977492672.

The previous prime is 3131030107. The next prime is 3131030137. The reversal of 3131030121 is 1210301313.

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

It is not a de Polignac number, because 3131030121 - 2¹⁴ = 3131013737 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131030121.

It is not an unprimeable number, because it can be changed into a prime (3131030171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27465120 + ... + 27465233.

It is an arithmetic number, because the mean of its divisors is an integer number (549303540).

Almost surely, 2^3131030121 is an apocalyptic number.

It is an amenable number.

3131030121 is a deficient number, since it is larger than the sum of its proper divisors (1263398199).

3131030121 is a wasteful number, since it uses less digits than its factorization.

3131030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54930375.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3131030121 is about 55955.6084856558. The cubic root of 3131030121 is about 1462.9486478618.

Adding to 3131030121 its reverse (1210301313), we get a palindrome (4341331434).

The spelling of 3131030121 in words is "three billion, one hundred thirty-one million, thirty thousand, one hundred twenty-one".