131201431431022 has 8 divisors (see below), whose sum is σ = 199739492626536. Its totient is φ = 64621600555512.

The previous prime is 131201431431019. The next prime is 131201431431023. The reversal of 131201431431022 is 220134134102131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201431431023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489557579833 + ... + 489557580100.

It is an arithmetic number, because the mean of its divisors is an integer number (24967436578317).

Almost surely, 2^{131201431431022} is an apocalyptic number.

131201431431022 is a deficient number, since it is larger than the sum of its proper divisors (68538061195514).

131201431431022 is an equidigital number, since it uses as much as digits as its factorization.

131201431431022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979115160002.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131201431431022 its reverse (220134134102131), we get a palindrome (351335565533153).

The spelling of 131201431431022 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred thirty-one million, four hundred thirty-one thousand, twenty-two".