31564361063 has 2 divisors, whose sum is σ = 31564361064. Its totient is φ = 31564361062.

The previous prime is 31564361039. The next prime is 31564361069. The reversal of 31564361063 is 36016346513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31564361063 - 2¹⁶ = 31564295527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31564361069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15782180531 + 15782180532.

It is an arithmetic number, because the mean of its divisors is an integer number (15782180532).

Almost surely, 2^31564361063 is an apocalyptic number.

31564361063 is a deficient number, since it is larger than the sum of its proper divisors (1).

31564361063 is an equidigital number, since it uses as much as digits as its factorization.

31564361063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 31564361063 in words is "thirty-one billion, five hundred sixty-four million, three hundred sixty-one thousand, sixty-three".