31023132197933 has 2 divisors, whose sum is σ = 31023132197934. Its totient is φ = 31023132197932.

The previous prime is 31023132197903. The next prime is 31023132197977. The reversal of 31023132197933 is 33979123132013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28554723570244 + 2468408627689 = 5343662^2 + 1571117^2 .

It is an emirp because it is prime and its reverse (33979123132013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31023132197933 - 2²⁰ = 31023131149357 is a prime.

It is a super-2 number, since 2×31023132197933² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31023132197903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511566098966 + 15511566098967.

It is an arithmetic number, because the mean of its divisors is an integer number (15511566098967).

Almost surely, 2^{31023132197933} is an apocalyptic number.

It is an amenable number.

31023132197933 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023132197933 is an equidigital number, since it uses as much as digits as its factorization.

31023132197933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 47.

The spelling of 31023132197933 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-two million, one hundred ninety-seven thousand, nine hundred thirty-three".