31553035402 has 48 divisors (see below), whose sum is σ = 58332520008. Its totient is φ = 12719185920.

The previous prime is 31553035373. The next prime is 31553035441. The reversal of 31553035402 is 20453035513.

It can be written as a sum of positive squares in 4 ways, for example, as 23186457441 + 8366577961 = 152271^2 + 91469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3095338 + ... + 3105514.

Almost surely, 2^31553035402 is an apocalyptic number.

31553035402 is a deficient number, since it is larger than the sum of its proper divisors (26779484606).

31553035402 is a wasteful number, since it uses less digits than its factorization.

31553035402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071 (or 12064 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 31553035402 in words is "thirty-one billion, five hundred fifty-three million, thirty-five thousand, four hundred two".