131043210420331 has 12 divisors (see below), whose sum is σ = 144083266951792. Its totient is φ = 119093770818000.

The previous prime is 131043210420319. The next prime is 131043210420337. The reversal of 131043210420331 is 133024012340131.

It is not a de Polignac number, because 131043210420331 - 2⁵ = 131043210420299 is a prime.

It is a super-2 number, since 2×131043210420331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131043210420331.

It is not an unprimeable number, because it can be changed into a prime (131043210420337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165150180 + ... + 165941761.

Almost surely, 2^{131043210420331} is an apocalyptic number.

131043210420331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131043210420331 is a deficient number, since it is larger than the sum of its proper divisors (13040056531461).

131043210420331 is a wasteful number, since it uses less digits than its factorization.

131043210420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331095234 (or 331095223 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131043210420331 its reverse (133024012340131), we get a palindrome (264067222760462).

The spelling of 131043210420331 in words is "one hundred thirty-one trillion, forty-three billion, two hundred ten million, four hundred twenty thousand, three hundred thirty-one".