131002113032 has 64 divisors (see below), whose sum is σ = 284320608000. Its totient is φ = 55427141376.

The previous prime is 131002113031. The next prime is 131002113037. The reversal of 131002113032 is 230311200131.

It is a self number, because there is not a number n which added to its sum of digits gives 131002113032.

It is not an unprimeable number, because it can be changed into a prime (131002113031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652069 + ... + 1729547.

It is an arithmetic number, because the mean of its divisors is an integer number (4442509500).

Almost surely, 2^131002113032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131002113032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142160304000).

131002113032 is an abundant number, since it is smaller than the sum of its proper divisors (153318494968).

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

131002113032 is a wasteful number, since it uses less digits than its factorization.

131002113032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77878 (or 77874 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131002113032 its reverse (230311200131), we get a palindrome (361313313163).

The spelling of 131002113032 in words is "one hundred thirty-one billion, two million, one hundred thirteen thousand, thirty-two".