31200312023 has 2 divisors, whose sum is σ = 31200312024. Its totient is φ = 31200312022.

The previous prime is 31200311981. The next prime is 31200312047. The reversal of 31200312023 is 32021300213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31200312023 - 2⁸ = 31200311767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31200311992 and 31200312010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31200312223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600156011 + 15600156012.

It is an arithmetic number, because the mean of its divisors is an integer number (15600156012).

Almost surely, 2^31200312023 is an apocalyptic number.

31200312023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31200312023 is an equidigital number, since it uses as much as digits as its factorization.

31200312023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31200312023 its reverse (32021300213), we get a palindrome (63221612236).

The spelling of 31200312023 in words is "thirty-one billion, two hundred million, three hundred twelve thousand, twenty-three".