31442605442 has 16 divisors (see below), whose sum is σ = 50423098752. Its totient is φ = 14652863040.

The previous prime is 31442605429. The next prime is 31442605457. The reversal of 31442605442 is 24450624413.

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, 4485734 + ... + 4492737.

It is an arithmetic number, because the mean of its divisors is an integer number (3151443672).

Almost surely, 2^31442605442 is an apocalyptic number.

31442605442 is a deficient number, since it is larger than the sum of its proper divisors (18980493310).

31442605442 is a wasteful number, since it uses less digits than its factorization.

31442605442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8978593.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 31442605442 in words is "thirty-one billion, four hundred forty-two million, six hundred five thousand, four hundred forty-two".