131120031344 has 40 divisors (see below), whose sum is σ = 265841726112. Its totient is φ = 62531870720.

The previous prime is 131120031319. The next prime is 131120031353. The reversal of 131120031344 is 443130021131.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374777 + ... + 634584.

Almost surely, 2^131120031344 is an apocalyptic number.

It is an amenable number.

131120031344 is an abundant number, since it is smaller than the sum of its proper divisors (134721694768).

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

131120031344 is a wasteful number, since it uses less digits than its factorization.

131120031344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009745 (or 1009739 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131120031344 its reverse (443130021131), we get a palindrome (574250052475).

The spelling of 131120031344 in words is "one hundred thirty-one billion, one hundred twenty million, thirty-one thousand, three hundred forty-four".