131120123000 has 64 divisors (see below), whose sum is σ = 307505484000. Its totient is φ = 52331059200.

The previous prime is 131120122981. The next prime is 131120123093. The reversal of 131120123000 is 321021131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302987 + ... + 595013.

Almost surely, 2^131120123000 is an apocalyptic number.

131120123000 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 131120123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153752742000).

131120123000 is an abundant number, since it is smaller than the sum of its proper divisors (176385361000).

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

131120123000 is a wasteful number, since it uses less digits than its factorization.

131120123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292497 (or 292483 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131120123000 its reverse (321021131), we get a palindrome (131441144131).

The spelling of 131120123000 in words is "one hundred thirty-one billion, one hundred twenty million, one hundred twenty-three thousand".