131421044231 has 8 divisors (see below), whose sum is σ = 131913546480. Its totient is φ = 130928672448.

The previous prime is 131421044201. The next prime is 131421044291. The reversal of 131421044231 is 132440124131.

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

It is a cyclic number.

It is not a de Polignac number, because 131421044231 - 2¹⁰ = 131421043207 is a prime.

It is a super-2 number, since 2×131421044231² (a number of 23 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 131421044231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131421044201) 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, 2294915 + ... + 2351483.

It is an arithmetic number, because the mean of its divisors is an integer number (16489193310).

Almost surely, 2^131421044231 is an apocalyptic number.

131421044231 is a deficient number, since it is larger than the sum of its proper divisors (492502249).

131421044231 is an equidigital number, since it uses as much as digits as its factorization.

131421044231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65233.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131421044231 its reverse (132440124131), we get a palindrome (263861168362).

The spelling of 131421044231 in words is "one hundred thirty-one billion, four hundred twenty-one million, forty-four thousand, two hundred thirty-one".