10402331111 has 4 divisors (see below), whose sum is σ = 10644245832. Its totient is φ = 10160416392.

The previous prime is 10402331101. The next prime is 10402331129. The reversal of 10402331111 is 11113320401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10402331111 - 2⁶ = 10402331047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10402331111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402331101) 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 3 ways as a sum of consecutive naturals, for example, 120957296 + ... + 120957381.

It is an arithmetic number, because the mean of its divisors is an integer number (2661061458).

Almost surely, 2^10402331111 is an apocalyptic number.

10402331111 is a deficient number, since it is larger than the sum of its proper divisors (241914721).

10402331111 is an equidigital number, since it uses as much as digits as its factorization.

10402331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241914720.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10402331111 its reverse (11113320401), we get a palindrome (21515651512).

The spelling of 10402331111 in words is "ten billion, four hundred two million, three hundred thirty-one thousand, one hundred eleven".