131330230122 has 96 divisors (see below), whose sum is σ = 329279416704. Its totient is φ = 34612099200.

The previous prime is 131330230111. The next prime is 131330230133. The reversal of 131330230122 is 221032033131.

It is an interprime number because it is at equal distance from previous prime (131330230111) and next prime (131330230133).

It is a super-2 number, since 2×131330230122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5763672 + ... + 5786412.

It is an arithmetic number, because the mean of its divisors is an integer number (3429993924).

Almost surely, 2^131330230122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131330230122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164639708352).

131330230122 is an abundant number, since it is smaller than the sum of its proper divisors (197949186582).

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

131330230122 is a wasteful number, since it uses less digits than its factorization.

131330230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24284 (or 24277 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131330230122 its reverse (221032033131), we get a palindrome (352362263253).

The spelling of 131330230122 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred thirty thousand, one hundred twenty-two".