231616331126351 has 8 divisors (see below), whose sum is σ = 233954727661200. Its totient is φ = 229278820190400.

The previous prime is 231616331126321. The next prime is 231616331126407. The reversal of 231616331126351 is 153621133616132.

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 231616331126351 - 2¹⁰ = 231616331125327 is a prime.

It is a super-2 number, since 2×231616331126351² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231616331126311) 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, 220874006 + ... + 221920163.

It is an arithmetic number, because the mean of its divisors is an integer number (29244340957650).

Almost surely, 2^{231616331126351} is an apocalyptic number.

231616331126351 is a deficient number, since it is larger than the sum of its proper divisors (2338396534849).

231616331126351 is a wasteful number, since it uses less digits than its factorization.

231616331126351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442799449.

The product of its digits is 349920, while the sum is 44.

The spelling of 231616331126351 in words is "two hundred thirty-one trillion, six hundred sixteen billion, three hundred thirty-one million, one hundred twenty-six thousand, three hundred fifty-one".