31652560086 has 96 divisors (see below), whose sum is σ = 74224834560. Its totient is φ = 8972135424.

The previous prime is 31652560033. The next prime is 31652560087. The reversal of 31652560086 is 68006525613.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31652560087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34441935 + ... + 34442853.

It is an arithmetic number, because the mean of its divisors is an integer number (773175360).

Almost surely, 2^31652560086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31652560086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37112417280).

31652560086 is an abundant number, since it is smaller than the sum of its proper divisors (42572274474).

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

31652560086 is a wasteful number, since it uses less digits than its factorization.

31652560086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 31652560086 in words is "thirty-one billion, six hundred fifty-two million, five hundred sixty thousand, eighty-six".