131012223344421 has 8 divisors (see below), whose sum is σ = 175510845808224. Its totient is φ = 86927541555120.

The previous prime is 131012223344413. The next prime is 131012223344459. The reversal of 131012223344421 is 124443322210131.

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

It is not a de Polignac number, because 131012223344421 - 2³ = 131012223344413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012223344461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103485167886 + ... + 103485169151.

It is an arithmetic number, because the mean of its divisors is an integer number (21938855726028).

Almost surely, 2^{131012223344421} is an apocalyptic number.

It is an amenable number.

131012223344421 is a deficient number, since it is larger than the sum of its proper divisors (44498622463803).

131012223344421 is a wasteful number, since it uses less digits than its factorization.

131012223344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206970337251.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131012223344421 its reverse (124443322210131), we get a palindrome (255455545554552).

The spelling of 131012223344421 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-three million, three hundred forty-four thousand, four hundred twenty-one".