31465251358141 has 2 divisors, whose sum is σ = 31465251358142. Its totient is φ = 31465251358140.

The previous prime is 31465251358091. The next prime is 31465251358159. The reversal of 31465251358141 is 14185315256413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30733164062500 + 732087295641 = 5543750^2 + 855621^2 .

It is a cyclic number.

It is not a de Polignac number, because 31465251358141 - 2⁹ = 31465251357629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31465251358741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15732625679070 + 15732625679071.

It is an arithmetic number, because the mean of its divisors is an integer number (15732625679071).

Almost surely, 2^{31465251358141} is an apocalyptic number.

It is an amenable number.

31465251358141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31465251358141 is an equidigital number, since it uses as much as digits as its factorization.

31465251358141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 49.

The spelling of 31465251358141 in words is "thirty-one trillion, four hundred sixty-five billion, two hundred fifty-one million, three hundred fifty-eight thousand, one hundred forty-one".