23001312113031 has 48 divisors (see below), whose sum is σ = 35895888281088. Its totient is φ = 13062472920000.

The previous prime is 23001312113009. The next prime is 23001312113051. The reversal of 23001312113031 is 13031121310032.

It is a happy number.

It is not a de Polignac number, because 23001312113031 - 2³⁰ = 23000238371207 is a prime.

It is a super-2 number, since 2×23001312113031² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23001312112989 and 23001312113007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001312113051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64697206 + ... + 65051756.

It is an arithmetic number, because the mean of its divisors is an integer number (747831005856).

Almost surely, 2^{23001312113031} is an apocalyptic number.

23001312113031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23001312113031 is a deficient number, since it is larger than the sum of its proper divisors (12894576168057).

23001312113031 is a wasteful number, since it uses less digits than its factorization.

23001312113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357292 (or 357285 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 23001312113031 its reverse (13031121310032), we get a palindrome (36032433423063).

The spelling of 23001312113031 in words is "twenty-three trillion, one billion, three hundred twelve million, one hundred thirteen thousand, thirty-one".