31544502042 has 16 divisors (see below), whose sum is σ = 65124133632. Its totient is φ = 10175645760.

The previous prime is 31544502029. The next prime is 31544502071. The reversal of 31544502042 is 24020544513.

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, 84796863 + ... + 84797234.

It is an arithmetic number, because the mean of its divisors is an integer number (4070258352).

Almost surely, 2^31544502042 is an apocalyptic number.

31544502042 is an abundant number, since it is smaller than the sum of its proper divisors (33579631590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31544502042 is a wasteful number, since it uses less digits than its factorization.

31544502042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169594133.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 31544502042 in words is "thirty-one billion, five hundred forty-four million, five hundred two thousand, forty-two".