131120131000 has 64 divisors (see below), whose sum is σ = 307042164000. Its totient is φ = 52410265600.

The previous prime is 131120130989. The next prime is 131120131001. The reversal of 131120131000 is 131021131.

It is a super-2 number, since 2×131120131000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131120131001) 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, 1362471 + ... + 1455529.

Almost surely, 2^131120131000 is an apocalyptic number.

131120131000 is a gapful number since it is divisible by the number (10) 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 131120131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153521082000).

131120131000 is an abundant number, since it is smaller than the sum of its proper divisors (175922033000).

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

131120131000 is a wasteful number, since it uses less digits than its factorization.

131120131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94489 (or 94475 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 131120131000 its reverse (131021131), we get a palindrome (131251152131).

The spelling of 131120131000 in words is "one hundred thirty-one billion, one hundred twenty million, one hundred thirty-one thousand".