22631980031 has 12 divisors (see below), whose sum is σ = 24533552592. Its totient is φ = 20805293376.

The previous prime is 22631980027. The next prime is 22631980043. The reversal of 22631980031 is 13008913622.

It is not a de Polignac number, because 22631980031 - 2² = 22631980027 is a prime.

It is a super-2 number, since 2×22631980031² (a number of 22 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 = 22631979973 and 22631980000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22631980081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328571 + ... + 391436.

It is an arithmetic number, because the mean of its divisors is an integer number (2044462716).

Almost surely, 2^22631980031 is an apocalyptic number.

22631980031 is a deficient number, since it is larger than the sum of its proper divisors (1901572561).

22631980031 is an equidigital number, since it uses as much as digits as its factorization.

22631980031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720110 (or 720067 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 22631980031 in words is "twenty-two billion, six hundred thirty-one million, nine hundred eighty thousand, thirty-one".