31960441537 has 2 divisors, whose sum is σ = 31960441538. Its totient is φ = 31960441536.

The previous prime is 31960441531. The next prime is 31960441549. The reversal of 31960441537 is 73514406913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21110927616 + 10849513921 = 145296^2 + 104161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31960441537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31960441493 and 31960441502.

It is not a weakly prime, because it can be changed into another prime (31960441531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15980220768 + 15980220769.

It is an arithmetic number, because the mean of its divisors is an integer number (15980220769).

Almost surely, 2^31960441537 is an apocalyptic number.

It is an amenable number.

31960441537 is a deficient number, since it is larger than the sum of its proper divisors (1).

31960441537 is an equidigital number, since it uses as much as digits as its factorization.

31960441537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 31960441537 in words is "thirty-one billion, nine hundred sixty million, four hundred forty-one thousand, five hundred thirty-seven".