131031211032 has 160 divisors (see below), whose sum is σ = 409050615600. Its totient is φ = 38944198656.

The previous prime is 131031211027. The next prime is 131031211063. The reversal of 131031211032 is 230112130131.

131031211032 is a `hidden beast` number, since 1 + 310 + 312 + 1 + 10 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131031210996 and 131031211014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 103713 + ... + 522320.

Almost surely, 2^131031211032 is an apocalyptic number.

131031211032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131031211032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204525307800).

131031211032 is an abundant number, since it is smaller than the sum of its proper divisors (278019404568).

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

131031211032 is a wasteful number, since it uses less digits than its factorization.

131031211032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626087 (or 626074 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131031211032 its reverse (230112130131), we get a palindrome (361143341163).

The spelling of 131031211032 in words is "one hundred thirty-one billion, thirty-one million, two hundred eleven thousand, thirty-two".