31400100842 has 16 divisors (see below), whose sum is σ = 53153776800. Its totient is φ = 13780608240.

The previous prime is 31400100827. The next prime is 31400100847. The reversal of 31400100842 is 24800100413.

It is not an unprimeable number, because it can be changed into a prime (31400100847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24607592 + ... + 24608867.

It is an arithmetic number, because the mean of its divisors is an integer number (3322111050).

Almost surely, 2^31400100842 is an apocalyptic number.

31400100842 is a deficient number, since it is larger than the sum of its proper divisors (21753675958).

31400100842 is a wasteful number, since it uses less digits than its factorization.

31400100842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49216501.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 31400100842 in words is "thirty-one billion, four hundred million, one hundred thousand, eight hundred forty-two".