31460145537077 has 2 divisors, whose sum is σ = 31460145537078. Its totient is φ = 31460145537076.

The previous prime is 31460145536983. The next prime is 31460145537343. The reversal of 31460145537077 is 77073554106413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28335191332561 + 3124954204516 = 5323081^2 + 1767754^2 .

It is a cyclic number.

It is not a de Polignac number, because 31460145537077 - 2³⁸ = 31185267630133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31460145536077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15730072768538 + 15730072768539.

It is an arithmetic number, because the mean of its divisors is an integer number (15730072768539).

Almost surely, 2^{31460145537077} is an apocalyptic number.

It is an amenable number.

31460145537077 is a deficient number, since it is larger than the sum of its proper divisors (1).

31460145537077 is an equidigital number, since it uses as much as digits as its factorization.

31460145537077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 31460145537077 in words is "thirty-one trillion, four hundred sixty billion, one hundred forty-five million, five hundred thirty-seven thousand, seventy-seven".