131243312130420 has 48 divisors (see below), whose sum is σ = 419978598818688. Its totient is φ = 29998471344000.

The previous prime is 131243312130389. The next prime is 131243312130443. The reversal of 131243312130420 is 24031213342131.

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

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, 156242037831 + ... + 156242038670.

It is an arithmetic number, because the mean of its divisors is an integer number (8749554142056).

Almost surely, 2^{131243312130420} is an apocalyptic number.

131243312130420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131243312130420 is an abundant number, since it is smaller than the sum of its proper divisors (288735286688268).

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

131243312130420 is a wasteful number, since it uses less digits than its factorization.

131243312130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312484076520 (or 312484076518 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131243312130420 its reverse (24031213342131), we get a palindrome (155274525472551).

The spelling of 131243312130420 in words is "one hundred thirty-one trillion, two hundred forty-three billion, three hundred twelve million, one hundred thirty thousand, four hundred twenty".