10311032121 has 16 divisors (see below), whose sum is σ = 14831276544. Its totient is φ = 6334239744.

The previous prime is 10311032113. The next prime is 10311032129. The reversal of 10311032121 is 12123011301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10311032113) and next prime (10311032129).

It is not a de Polignac number, because 10311032121 - 2³ = 10311032113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10311032121.

It is not an unprimeable number, because it can be changed into a prime (10311032129) 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 15 ways as a sum of consecutive naturals, for example, 206601 + ... + 251606.

It is an arithmetic number, because the mean of its divisors is an integer number (926954784).

Almost surely, 2^10311032121 is an apocalyptic number.

It is an amenable number.

10311032121 is a deficient number, since it is larger than the sum of its proper divisors (4520244423).

10311032121 is a wasteful number, since it uses less digits than its factorization.

10311032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458800.

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

Adding to 10311032121 its reverse (12123011301), we get a palindrome (22434043422).

The spelling of 10311032121 in words is "ten billion, three hundred eleven million, thirty-two thousand, one hundred twenty-one".