231413331333421 has 8 divisors (see below), whose sum is σ = 236801450508480. Its totient is φ = 226025503694592.

The previous prime is 231413331333413. The next prime is 231413331333467. The reversal of 231413331333421 is 124333133314132.

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 231413331333421 - 2³ = 231413331333413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231413331303421) 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, 71277625 + ... + 74453518.

It is an arithmetic number, because the mean of its divisors is an integer number (29600181313560).

Almost surely, 2^{231413331333421} is an apocalyptic number.

It is an amenable number.

231413331333421 is a deficient number, since it is larger than the sum of its proper divisors (5388119175059).

231413331333421 is a wasteful number, since it uses less digits than its factorization.

231413331333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145768115.

The product of its digits is 139968, while the sum is 37.

Adding to 231413331333421 its reverse (124333133314132), we get a palindrome (355746464647553).

The spelling of 231413331333421 in words is "two hundred thirty-one trillion, four hundred thirteen billion, three hundred thirty-one million, three hundred thirty-three thousand, four hundred twenty-one".