31400623048 has 16 divisors (see below), whose sum is σ = 59034018780. Its totient is φ = 15658218048.

The previous prime is 31400623043. The next prime is 31400623073. The reversal of 31400623048 is 84032600413.

It can be written as a sum of positive squares in 2 ways, for example, as 30520788804 + 879834244 = 174702^2 + 29662^2 .

It is not an unprimeable number, because it can be changed into a prime (31400623043) 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, 5258515 + ... + 5264482.

Almost surely, 2^31400623048 is an apocalyptic number.

It is an amenable number.

31400623048 is a deficient number, since it is larger than the sum of its proper divisors (27633395732).

31400623048 is a wasteful number, since it uses less digits than its factorization.

31400623048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10523376 (or 10523372 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 31400623048 in words is "thirty-one billion, four hundred million, six hundred twenty-three thousand, forty-eight".