31400307468 has 36 divisors (see below), whose sum is σ = 79384468800. Its totient is φ = 10465256736.

The previous prime is 31400307461. The next prime is 31400307481. The reversal of 31400307468 is 86470300413.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (31400307461) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 205221 + ... + 323907.

Almost surely, 2^31400307468 is an apocalyptic number.

It is an amenable number.

31400307468 is an abundant number, since it is smaller than the sum of its proper divisors (47984161332).

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

31400307468 is a wasteful number, since it uses less digits than its factorization.

31400307468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126046 (or 126041 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 31400307468 in words is "thirty-one billion, four hundred million, three hundred seven thousand, four hundred sixty-eight".