31654056533 has 6 divisors (see below), whose sum is σ = 34793301942. Its totient is φ = 28776414920.

The previous prime is 31654056479. The next prime is 31654056557. The reversal of 31654056533 is 33565045613.

It can be written as a sum of positive squares in only one way, i.e., 31119429649 + 534626884 = 176407^2 + 23122^2 .

It is not a de Polignac number, because 31654056533 - 2⁸ = 31654056277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31654056233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130801766 + ... + 130802007.

It is an arithmetic number, because the mean of its divisors is an integer number (5798883657).

Almost surely, 2^31654056533 is an apocalyptic number.

It is an amenable number.

31654056533 is a deficient number, since it is larger than the sum of its proper divisors (3139245409).

31654056533 is a wasteful number, since it uses less digits than its factorization.

31654056533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261603795 (or 261603784 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 31654056533 in words is "thirty-one billion, six hundred fifty-four million, fifty-six thousand, five hundred thirty-three".