31400426604464 has 20 divisors (see below), whose sum is σ = 60939555061560. Its totient is φ = 15674089814400.

The previous prime is 31400426604461. The next prime is 31400426604529. The reversal of 31400426604464 is 46440662400413.

It is not an unprimeable number, because it can be changed into a prime (31400426604461) 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 3 ways as a sum of consecutive naturals, for example, 1632708074 + ... + 1632727305.

It is an arithmetic number, because the mean of its divisors is an integer number (3046977753078).

Almost surely, 2^{31400426604464} is an apocalyptic number.

It is an amenable number.

31400426604464 is a deficient number, since it is larger than the sum of its proper divisors (29539128457096).

31400426604464 is a wasteful number, since it uses less digits than its factorization.

31400426604464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265435988 (or 3265435982 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 31400426604464 in words is "thirty-one trillion, four hundred billion, four hundred twenty-six million, six hundred four thousand, four hundred sixty-four".