10031312111 has 4 divisors (see below), whose sum is σ = 10621389312. Its totient is φ = 9441234912.

The previous prime is 10031312089. The next prime is 10031312231. The reversal of 10031312111 is 11121313001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11121313001 = 1279 ⋅8695319.

It is a cyclic number.

It is not a de Polignac number, because 10031312111 - 2²⁶ = 9964203247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031312311) 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, 295038575 + ... + 295038608.

It is an arithmetic number, because the mean of its divisors is an integer number (2655347328).

Almost surely, 2^10031312111 is an apocalyptic number.

10031312111 is a deficient number, since it is larger than the sum of its proper divisors (590077201).

10031312111 is an equidigital number, since it uses as much as digits as its factorization.

10031312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590077200.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10031312111 its reverse (11121313001), we get a palindrome (21152625112).

The spelling of 10031312111 in words is "ten billion, thirty-one million, three hundred twelve thousand, one hundred eleven".