31132210023 has 24 divisors (see below), whose sum is σ = 45207059040. Its totient is φ = 20645076480.

The previous prime is 31132210013. The next prime is 31132210051. The reversal of 31132210023 is 32001223113.

31132210023 is a `hidden beast` number, since 311 + 322 + 10 + 0 + 23 = 666.

It is not a de Polignac number, because 31132210023 - 2⁵ = 31132209991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31132209978 and 31132210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132210013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1489318 + ... + 1510076.

It is an arithmetic number, because the mean of its divisors is an integer number (1883627460).

Almost surely, 2^31132210023 is an apocalyptic number.

31132210023 is a deficient number, since it is larger than the sum of its proper divisors (14074849017).

31132210023 is a wasteful number, since it uses less digits than its factorization.

31132210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21639 (or 21636 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31132210023 its reverse (32001223113), we get a palindrome (63133433136).

The spelling of 31132210023 in words is "thirty-one billion, one hundred thirty-two million, two hundred ten thousand, twenty-three".