131201321434430 has 64 divisors (see below), whose sum is σ = 262661697829440. Its totient is φ = 46870958997504.

The previous prime is 131201321434397. The next prime is 131201321434481. The reversal of 131201321434430 is 34434123102131.

It is a super-2 number, since 2×131201321434430² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75331139 + ... + 77053118.

It is an arithmetic number, because the mean of its divisors is an integer number (4104089028585).

Almost surely, 2^{131201321434430} is an apocalyptic number.

131201321434430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131201321434430 is an abundant number, since it is smaller than the sum of its proper divisors (131460376395010).

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

131201321434430 is a wasteful number, since it uses less digits than its factorization.

131201321434430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152384493.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131201321434430 its reverse (34434123102131), we get a palindrome (165635444536561).

The spelling of 131201321434430 in words is "one hundred thirty-one trillion, two hundred one billion, three hundred twenty-one million, four hundred thirty-four thousand, four hundred thirty".