10313012121 has 16 divisors (see below), whose sum is σ = 14099644608. Its totient is φ = 6701184000.

The previous prime is 10313012111. The next prime is 10313012167. The reversal of 10313012121 is 12121031301.

It is a happy number.

It is not a de Polignac number, because 10313012121 - 2⁵ = 10313012089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10313012121.

It is not an unprimeable number, because it can be changed into a prime (10313012111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89385 + ... + 169161.

It is an arithmetic number, because the mean of its divisors is an integer number (881227788).

Almost surely, 2^10313012121 is an apocalyptic number.

It is an amenable number.

10313012121 is a deficient number, since it is larger than the sum of its proper divisors (3786632487).

10313012121 is a wasteful number, since it uses less digits than its factorization.

10313012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80872.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10313012121 its reverse (12121031301), we get a palindrome (22434043422).

The spelling of 10313012121 in words is "ten billion, three hundred thirteen million, twelve thousand, one hundred twenty-one".