31408673452 has 24 divisors (see below), whose sum is σ = 59314863776. Its totient is φ = 14466532608.

The previous prime is 31408673449. The next prime is 31408673551. The reversal of 31408673452 is 25437680413.

It is a junction number, because it is equal to n+sod(n) for n = 31408673399 and 31408673408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594813 + ... + 645460.

Almost surely, 2^31408673452 is an apocalyptic number.

It is an amenable number.

31408673452 is a deficient number, since it is larger than the sum of its proper divisors (27906190324).

31408673452 is a wasteful number, since it uses less digits than its factorization.

31408673452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240777 (or 1240775 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 31408673452 in words is "thirty-one billion, four hundred eight million, six hundred seventy-three thousand, four hundred fifty-two".