31011029994 has 32 divisors (see below), whose sum is σ = 70889195520. Its totient is φ = 8859439152.

The previous prime is 31011029963. The next prime is 31011030013. The reversal of 31011029994 is 49992011013.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 499147 + ... + 557825.

It is an arithmetic number, because the mean of its divisors is an integer number (2215287360).

Almost surely, 2^31011029994 is an apocalyptic number.

31011029994 is an abundant number, since it is smaller than the sum of its proper divisors (39878165526).

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

31011029994 is a wasteful number, since it uses less digits than its factorization.

31011029994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71274.

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 31011029994 in words is "thirty-one billion, eleven million, twenty-nine thousand, nine hundred ninety-four".