31552236142 has 16 divisors (see below), whose sum is σ = 56441267712. Its totient is φ = 12934456920.

The previous prime is 31552236103. The next prime is 31552236167. The reversal of 31552236142 is 24163225513.

It is a junction number, because it is equal to n+sod(n) for n = 31552236098 and 31552236107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48993834 + ... + 48994477.

It is an arithmetic number, because the mean of its divisors is an integer number (3527579232).

Almost surely, 2^31552236142 is an apocalyptic number.

31552236142 is a deficient number, since it is larger than the sum of its proper divisors (24889031570).

31552236142 is a wasteful number, since it uses less digits than its factorization.

31552236142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97988343.

The product of its digits is 43200, while the sum is 34.

The spelling of 31552236142 in words is "thirty-one billion, five hundred fifty-two million, two hundred thirty-six thousand, one hundred forty-two".