31402006488 has 48 divisors (see below), whose sum is σ = 86316473880. Its totient is φ = 10311105024.

The previous prime is 31402006457. The next prime is 31402006583. The reversal of 31402006488 is 88460020413.

31402006488 is a `hidden beast` number, since 3 + 1 + 4 + 0 + 2 + 0 + 0 + 648 + 8 = 666.

It is a super-2 number, since 2×31402006488² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3249945 + ... + 3259592.

Almost surely, 2^31402006488 is an apocalyptic number.

It is an amenable number.

31402006488 is an abundant number, since it is smaller than the sum of its proper divisors (54914467392).

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

31402006488 is a wasteful number, since it uses less digits than its factorization.

31402006488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6509616 (or 6509609 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 31402006488 in words is "thirty-one billion, four hundred two million, six thousand, four hundred eighty-eight".