31400100012 has 48 divisors (see below), whose sum is σ = 77389233152. Its totient is φ = 9893499840.

The previous prime is 31400099993. The next prime is 31400100023. The reversal of 31400100012 is 21000100413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 965503 + ... + 997494.

Almost surely, 2^31400100012 is an apocalyptic number.

It is an amenable number.

31400100012 is an abundant number, since it is smaller than the sum of its proper divisors (45989133140).

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

31400100012 is a wasteful number, since it uses less digits than its factorization.

31400100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963078 (or 1963076 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31400100012 its reverse (21000100413), we get a palindrome (52400200425).

The spelling of 31400100012 in words is "thirty-one billion, four hundred million, one hundred thousand, twelve".