10113111031 has 4 divisors (see below), whose sum is σ = 10113325200. Its totient is φ = 10112896864.

The previous prime is 10113111007. The next prime is 10113111131. The reversal of 10113111031 is 13011131101.

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 10113111031 - 2⁹ = 10113110519 is a prime.

It is a super-2 number, since 2×10113111031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113111131) 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, 1651 + ... + 142228.

It is an arithmetic number, because the mean of its divisors is an integer number (2528331300).

Almost surely, 2^10113111031 is an apocalyptic number.

10113111031 is a deficient number, since it is larger than the sum of its proper divisors (214169).

10113111031 is an equidigital number, since it uses as much as digits as its factorization.

10113111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214168.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 10113111031 its reverse (13011131101), we get a palindrome (23124242132).

The spelling of 10113111031 in words is "ten billion, one hundred thirteen million, one hundred eleven thousand, thirty-one".