31553252542 has 16 divisors (see below), whose sum is σ = 54363110400. Its totient is φ = 13454867448.

The previous prime is 31553252537. The next prime is 31553252561. The reversal of 31553252542 is 24525235513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5660038 + ... + 5665609.

It is an arithmetic number, because the mean of its divisors is an integer number (3397694400).

Almost surely, 2^31553252542 is an apocalyptic number.

31553252542 is a deficient number, since it is larger than the sum of its proper divisors (22809857858).

31553252542 is a wasteful number, since it uses less digits than its factorization.

31553252542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325855.

The product of its digits is 180000, while the sum is 37.

The spelling of 31553252542 in words is "thirty-one billion, five hundred fifty-three million, two hundred fifty-two thousand, five hundred forty-two".