31400000412 has 24 divisors (see below), whose sum is σ = 79927274112. Its totient is φ = 9515151600.

The previous prime is 31400000389. The next prime is 31400000413. The reversal of 31400000412 is 21400000413.

It is a junction number, because it is equal to n+sod(n) for n = 31400000391 and 31400000400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400000413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118939264 + ... + 118939527.

It is an arithmetic number, because the mean of its divisors is an integer number (3330303088).

Almost surely, 2^31400000412 is an apocalyptic number.

It is an amenable number.

31400000412 is an abundant number, since it is smaller than the sum of its proper divisors (48527273700).

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

31400000412 is a wasteful number, since it uses less digits than its factorization.

31400000412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237878809 (or 237878807 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 31400000412 its reverse (21400000413), we get a palindrome (52800000825).

Subtracting from 31400000412 its reverse (21400000413), we obtain a palindrome (9999999999).

The spelling of 31400000412 in words is "thirty-one billion, four hundred million, four hundred twelve", and thus it is an aban number.