131021301120 has 128 divisors (see below), whose sum is σ = 442197001440. Its totient is φ = 32883769344.

The previous prime is 131021301067. The next prime is 131021301161. The reversal of 131021301120 is 21103120131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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 131021301120.

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, 1974427 + ... + 2039706.

Almost surely, 2^131021301120 is an apocalyptic number.

131021301120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131021301120 is an abundant number, since it is smaller than the sum of its proper divisors (311175700320).

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

131021301120 is a wasteful number, since it uses less digits than its factorization.

131021301120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014172 (or 4014160 counting only the distinct ones).

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

Adding to 131021301120 its reverse (21103120131), we get a palindrome (152124421251).

The spelling of 131021301120 in words is "one hundred thirty-one billion, twenty-one million, three hundred one thousand, one hundred twenty".