31654361442 has 32 divisors (see below), whose sum is σ = 69079495680. Its totient is φ = 9590087120.

The previous prime is 31654361429. The next prime is 31654361489. The reversal of 31654361442 is 24416345613.

It is a self number, because there is not a number n which added to its sum of digits gives 31654361442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257563 + ... + 360065.

It is an arithmetic number, because the mean of its divisors is an integer number (2158734240).

Almost surely, 2^31654361442 is an apocalyptic number.

31654361442 is an abundant number, since it is smaller than the sum of its proper divisors (37425134238).

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

31654361442 is a wasteful number, since it uses less digits than its factorization.

31654361442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107198.

The product of its digits is 207360, while the sum is 39.

The spelling of 31654361442 in words is "thirty-one billion, six hundred fifty-four million, three hundred sixty-one thousand, four hundred forty-two".