31407065042 has 16 divisors (see below), whose sum is σ = 47685970080. Its totient is φ = 15511803552.

The previous prime is 31407065033. The next prime is 31407065149. The reversal of 31407065042 is 24056070413.

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, 1390334 + ... + 1412742.

It is an arithmetic number, because the mean of its divisors is an integer number (2980373130).

Almost surely, 2^31407065042 is an apocalyptic number.

31407065042 is a deficient number, since it is larger than the sum of its proper divisors (16278905038).

31407065042 is a wasteful number, since it uses less digits than its factorization.

31407065042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30937.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 31407065042 in words is "thirty-one billion, four hundred seven million, sixty-five thousand, forty-two".