31145453153 has 2 divisors, whose sum is σ = 31145453154. Its totient is φ = 31145453152.

The previous prime is 31145453113. The next prime is 31145453173. The reversal of 31145453153 is 35135454113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19148194129 + 11997259024 = 138377^2 + 109532^2 .

It is a cyclic number.

It is not a de Polignac number, because 31145453153 - 2²² = 31141258849 is a prime.

It is not a weakly prime, because it can be changed into another prime (31145453113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15572726576 + 15572726577.

It is an arithmetic number, because the mean of its divisors is an integer number (15572726577).

Almost surely, 2^31145453153 is an apocalyptic number.

It is an amenable number.

31145453153 is a deficient number, since it is larger than the sum of its proper divisors (1).

31145453153 is an equidigital number, since it uses as much as digits as its factorization.

31145453153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The spelling of 31145453153 in words is "thirty-one billion, one hundred forty-five million, four hundred fifty-three thousand, one hundred fifty-three".