31023202312001 has 16 divisors (see below), whose sum is σ = 32042584221120. Its totient is φ = 30021876368640.

The previous prime is 31023202311949. The next prime is 31023202312009. The reversal of 31023202312001 is 10021320232013.

It is a cyclic number.

It is not a de Polignac number, because 31023202312001 - 2¹⁸ = 31023202049857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023202312009) 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 in 15 ways as a sum of consecutive naturals, for example, 4668695 + ... + 9156588.

It is an arithmetic number, because the mean of its divisors is an integer number (2002661513820).

Almost surely, 2^{31023202312001} is an apocalyptic number.

It is an amenable number.

31023202312001 is a deficient number, since it is larger than the sum of its proper divisors (1019381909119).

31023202312001 is a wasteful number, since it uses less digits than its factorization.

31023202312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13825936.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31023202312001 its reverse (10021320232013), we get a palindrome (41044522544014).

The spelling of 31023202312001 in words is "thirty-one trillion, twenty-three billion, two hundred two million, three hundred twelve thousand, one".