31132621406 has 8 divisors (see below), whose sum is σ = 46718486760. Its totient is φ = 15559792488.

The previous prime is 31132621369. The next prime is 31132621501. The reversal of 31132621406 is 60412623113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3253136 + ... + 3262691.

It is an arithmetic number, because the mean of its divisors is an integer number (5839810845).

Almost surely, 2^31132621406 is an apocalyptic number.

31132621406 is a deficient number, since it is larger than the sum of its proper divisors (15585865354).

31132621406 is a wasteful number, since it uses less digits than its factorization.

31132621406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518218.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 31132621406 in words is "thirty-one billion, one hundred thirty-two million, six hundred twenty-one thousand, four hundred six".