13012023031 has 16 divisors (see below), whose sum is σ = 14909760000. Its totient is φ = 11124052128.

The previous prime is 13012023019. The next prime is 13012023047. The reversal of 13012023031 is 13032021031.

It is not a de Polignac number, because 13012023031 - 2¹³ = 13012014839 is a prime.

It is a super-2 number, since 2×13012023031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13012022996 and 13012023014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012023001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7795465 + ... + 7797133.

It is an arithmetic number, because the mean of its divisors is an integer number (931860000).

Almost surely, 2^13012023031 is an apocalyptic number.

13012023031 is a deficient number, since it is larger than the sum of its proper divisors (1897736969).

13012023031 is a wasteful number, since it uses less digits than its factorization.

13012023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13012023031 its reverse (13032021031), we get a palindrome (26044044062).

The spelling of 13012023031 in words is "thirteen billion, twelve million, twenty-three thousand, thirty-one".