31054054457 has 2 divisors, whose sum is σ = 31054054458. Its totient is φ = 31054054456.

The previous prime is 31054054439. The next prime is 31054054487. The reversal of 31054054457 is 75445045013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26835681856 + 4218372601 = 163816^2 + 64949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31054054457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31054054457.

It is not a weakly prime, because it can be changed into another prime (31054054487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15527027228 + 15527027229.

It is an arithmetic number, because the mean of its divisors is an integer number (15527027229).

Almost surely, 2^31054054457 is an apocalyptic number.

It is an amenable number.

31054054457 is a deficient number, since it is larger than the sum of its proper divisors (1).

31054054457 is an equidigital number, since it uses as much as digits as its factorization.

31054054457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 31054054457 in words is "thirty-one billion, fifty-four million, fifty-four thousand, four hundred fifty-seven".