23021032131131 has 8 divisors (see below), whose sum is σ = 23107716602880. Its totient is φ = 22934498811048.

The previous prime is 23021032131127. The next prime is 23021032131211. The reversal of 23021032131131 is 13113123012032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23021032131131 - 2² = 23021032131127 is a prime.

It is a super-2 number, since 2×23021032131131² (a number of 28 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 = 23021032131097 and 23021032131106.

It is not an unprimeable number, because it can be changed into a prime (23021032136131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37482731 + ... + 38091956.

It is an arithmetic number, because the mean of its divisors is an integer number (2888464575360).

Almost surely, 2^{23021032131131} is an apocalyptic number.

23021032131131 is a deficient number, since it is larger than the sum of its proper divisors (86684471749).

23021032131131 is an equidigital number, since it uses as much as digits as its factorization.

23021032131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75575833.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23021032131131 its reverse (13113123012032), we get a palindrome (36134155143163).

The spelling of 23021032131131 in words is "twenty-three trillion, twenty-one billion, thirty-two million, one hundred thirty-one thousand, one hundred thirty-one".