31012112023 has 2 divisors, whose sum is σ = 31012112024. Its totient is φ = 31012112022.

The previous prime is 31012112009. The next prime is 31012112029. The reversal of 31012112023 is 32021121013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31012112023 - 2⁹ = 31012111511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31012111988 and 31012112006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31012112029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506056011 + 15506056012.

It is an arithmetic number, because the mean of its divisors is an integer number (15506056012).

Almost surely, 2^31012112023 is an apocalyptic number.

31012112023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31012112023 is an equidigital number, since it uses as much as digits as its factorization.

31012112023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31012112023 its reverse (32021121013), we get a palindrome (63033233036).

The spelling of 31012112023 in words is "thirty-one billion, twelve million, one hundred twelve thousand, twenty-three".