31472860650 has 384 divisors, whose sum is σ = 103150540800. Its totient is φ = 6152371200.

The previous prime is 31472860649. The next prime is 31472860723. The reversal of 31472860650 is 5606827413.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 37964436 + ... + 37965264.

It is an arithmetic number, because the mean of its divisors is an integer number (268621200).

Almost surely, 2^31472860650 is an apocalyptic number.

31472860650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31472860650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51575270400).

31472860650 is an abundant number, since it is smaller than the sum of its proper divisors (71677680150).

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

31472860650 is a wasteful number, since it uses less digits than its factorization.

31472860650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 31472860650 in words is "thirty-one billion, four hundred seventy-two million, eight hundred sixty thousand, six hundred fifty".