31013223013113 has 64 divisors (see below), whose sum is σ = 49018640901120. Its totient is φ = 17238609561600.

The previous prime is 31013223013111. The next prime is 31013223013183. The reversal of 31013223013113 is 31131032231013.

It is not a de Polignac number, because 31013223013113 - 2¹ = 31013223013111 is a prime.

It is a super-2 number, since 2×31013223013113² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31013223013111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2043228 + ... + 8136413.

It is an arithmetic number, because the mean of its divisors is an integer number (765916264080).

Almost surely, 2^{31013223013113} is an apocalyptic number.

31013223013113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31013223013113 is a deficient number, since it is larger than the sum of its proper divisors (18005417888007).

31013223013113 is a wasteful number, since it uses less digits than its factorization.

31013223013113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179830.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31013223013113 its reverse (31131032231013), we get a palindrome (62144255244126).

The spelling of 31013223013113 in words is "thirty-one trillion, thirteen billion, two hundred twenty-three million, thirteen thousand, one hundred thirteen".