31955360953 has 2 divisors, whose sum is σ = 31955360954. Its totient is φ = 31955360952.

The previous prime is 31955360939. The next prime is 31955360977. The reversal of 31955360953 is 35906355913.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30825527184 + 1129833769 = 175572^2 + 33613^2 .

It is a cyclic number.

It is not a de Polignac number, because 31955360953 - 2⁹ = 31955360441 is a prime.

It is a super-2 number, since 2×31955360953² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31955360897 and 31955360906.

It is not a weakly prime, because it can be changed into another prime (31955360903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15977680476 + 15977680477.

It is an arithmetic number, because the mean of its divisors is an integer number (15977680477).

Almost surely, 2^31955360953 is an apocalyptic number.

It is an amenable number.

31955360953 is a deficient number, since it is larger than the sum of its proper divisors (1).

31955360953 is an equidigital number, since it uses as much as digits as its factorization.

31955360953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1640250, while the sum is 49.

The spelling of 31955360953 in words is "thirty-one billion, nine hundred fifty-five million, three hundred sixty thousand, nine hundred fifty-three".