131222101032 has 128 divisors (see below), whose sum is σ = 401359795200. Its totient is φ = 39392568000.

The previous prime is 131222101019. The next prime is 131222101061. The reversal of 131222101032 is 230101222131.

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 = 131222100996 and 131222101014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3844 + ... + 512307.

It is an arithmetic number, because the mean of its divisors is an integer number (3135623400).

Almost surely, 2^131222101032 is an apocalyptic number.

131222101032 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 131222101032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200679897600).

131222101032 is an abundant number, since it is smaller than the sum of its proper divisors (270137694168).

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

131222101032 is a wasteful number, since it uses less digits than its factorization.

131222101032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516284 (or 516274 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131222101032 its reverse (230101222131), we get a palindrome (361323323163).

The spelling of 131222101032 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred one thousand, thirty-two".