31472860651 has 8 divisors (see below), whose sum is σ = 32153287680. Its totient is φ = 30792883368.

The previous prime is 31472860649. The next prime is 31472860723. The reversal of 31472860651 is 15606827413.

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

It is a cyclic number.

It is not a de Polignac number, because 31472860651 - 2¹ = 31472860649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31472860598 and 31472860607.

It is not an unprimeable number, because it can be changed into a prime (31472860051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30990 + ... + 252796.

It is an arithmetic number, because the mean of its divisors is an integer number (4019160960).

Almost surely, 2^31472860651 is an apocalyptic number.

31472860651 is a deficient number, since it is larger than the sum of its proper divisors (680427029).

31472860651 is a wasteful number, since it uses less digits than its factorization.

31472860651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224873.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 31472860651 in words is "thirty-one billion, four hundred seventy-two million, eight hundred sixty thousand, six hundred fifty-one".