131120302320 has 240 divisors, whose sum is σ = 532855627200. Its totient is φ = 28207374336.

The previous prime is 131120302319. The next prime is 131120302331. The reversal of 131120302320 is 23203021131.

131120302320 is a `hidden beast` number, since 1 + 31 + 12 + 0 + 302 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131120302293 and 131120302302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 679495 + ... + 850854.

It is an arithmetic number, because the mean of its divisors is an integer number (2220231780).

Almost surely, 2^131120302320 is an apocalyptic number.

131120302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120302320 is an abundant number, since it is smaller than the sum of its proper divisors (401735324880).

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

131120302320 is a wasteful number, since it uses less digits than its factorization.

131120302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530392 (or 1530383 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131120302320 its reverse (23203021131), we get a palindrome (154323323451).

The spelling of 131120302320 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred two thousand, three hundred twenty".