131403312034320 has 80 divisors (see below), whose sum is σ = 428789755074240. Its totient is φ = 33196626196992.

The previous prime is 131403312034297. The next prime is 131403312034343. The reversal of 131403312034320 is 23430213304131.

It is an interprime number because it is at equal distance from previous prime (131403312034297) and next prime (131403312034343).

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 (30).

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, 14408253339 + ... + 14408262458.

It is an arithmetic number, because the mean of its divisors is an integer number (5359871938428).

Almost surely, 2^{131403312034320} is an apocalyptic number.

131403312034320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403312034320 is an abundant number, since it is smaller than the sum of its proper divisors (297386443039920).

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

131403312034320 is a wasteful number, since it uses less digits than its factorization.

131403312034320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28816515832 (or 28816515826 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 131403312034320 its reverse (23430213304131), we get a palindrome (154833525338451).

The spelling of 131403312034320 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred twelve million, thirty-four thousand, three hundred twenty".