131102031120 has 80 divisors (see below), whose sum is σ = 409340258880. Its totient is φ = 34709018112.

The previous prime is 131102031083. The next prime is 131102031161. The reversal of 131102031120 is 21130201131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 131102031120.

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, 1931599 + ... + 1998318.

It is an arithmetic number, because the mean of its divisors is an integer number (5116753236).

Almost surely, 2^131102031120 is an apocalyptic number.

131102031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131102031120 is an abundant number, since it is smaller than the sum of its proper divisors (278238227760).

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

131102031120 is a wasteful number, since it uses less digits than its factorization.

131102031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930072 (or 3930066 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131102031120 its reverse (21130201131), we get a palindrome (152232232251).

The spelling of 131102031120 in words is "one hundred thirty-one billion, one hundred two million, thirty-one thousand, one hundred twenty".