31054054687 has 2 divisors, whose sum is σ = 31054054688. Its totient is φ = 31054054686.

The previous prime is 31054054667. The next prime is 31054054711. The reversal of 31054054687 is 78645045013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31054054687 - 2¹¹ = 31054052639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31054054667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15527027343 + 15527027344.

It is an arithmetic number, because the mean of its divisors is an integer number (15527027344).

Almost surely, 2^31054054687 is an apocalyptic number.

31054054687 is a deficient number, since it is larger than the sum of its proper divisors (1).

31054054687 is an equidigital number, since it uses as much as digits as its factorization.

31054054687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 31054054687 in words is "thirty-one billion, fifty-four million, fifty-four thousand, six hundred eighty-seven".