131402304034320 has 160 divisors (see below), whose sum is σ = 447622342300800. Its totient is φ = 31622584913920.

The previous prime is 131402304034301. The next prime is 131402304034327. The reversal of 131402304034320 is 23430403204131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (131402304034327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181293795 + ... + 182017154.

It is an arithmetic number, because the mean of its divisors is an integer number (2797639639380).

Almost surely, 2^{131402304034320} is an apocalyptic number.

131402304034320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131402304034320 is an abundant number, since it is smaller than the sum of its proper divisors (316220038266480).

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

131402304034320 is a wasteful number, since it uses less digits than its factorization.

131402304034320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363311113 (or 363311107 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 131402304034320 its reverse (23430403204131), we get a palindrome (154832707238451).

The spelling of 131402304034320 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred four million, thirty-four thousand, three hundred twenty".