31130032023 has 10 divisors (see below), whose sum is σ = 46502887464. Its totient is φ = 20753354628.

The previous prime is 31130031971. The next prime is 31130032033. The reversal of 31130032023 is 32023003113.

31130032023 is a `hidden beast` number, since 311 + 30 + 0 + 320 + 2 + 3 = 666.

It is not a de Polignac number, because 31130032023 - 2¹² = 31130027927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31130031987 and 31130032005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130032033) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 192160611 + ... + 192160772.

Almost surely, 2^31130032023 is an apocalyptic number.

31130032023 is a deficient number, since it is larger than the sum of its proper divisors (15372855441).

31130032023 is an equidigital number, since it uses as much as digits as its factorization.

31130032023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384321395 (or 384321386 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31130032023 its reverse (32023003113), we get a palindrome (63153035136).

The spelling of 31130032023 in words is "thirty-one billion, one hundred thirty million, thirty-two thousand, twenty-three".