231333334421 has 8 divisors (see below), whose sum is σ = 266806467840. Its totient is φ = 196466579568.

The previous prime is 231333334363. The next prime is 231333334423. The reversal of 231333334421 is 124433333132.

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

It is not a de Polignac number, because 231333334421 - 2²² = 231329140117 is a prime.

It is a super-2 number, since 2×231333334421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231333334423) 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, 151593821 + ... + 151595346.

It is an arithmetic number, because the mean of its divisors is an integer number (33350808480).

Almost surely, 2^231333334421 is an apocalyptic number.

It is an amenable number.

231333334421 is a deficient number, since it is larger than the sum of its proper divisors (35473133419).

231333334421 is a wasteful number, since it uses less digits than its factorization.

231333334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303189283.

The product of its digits is 46656, while the sum is 32.

Adding to 231333334421 its reverse (124433333132), we get a palindrome (355766667553).

The spelling of 231333334421 in words is "two hundred thirty-one billion, three hundred thirty-three million, three hundred thirty-four thousand, four hundred twenty-one".