231114212391 has 16 divisors (see below), whose sum is σ = 321565098240. Its totient is φ = 147370354560.

The previous prime is 231114212353. The next prime is 231114212411. The reversal of 231114212391 is 193212411132.

It is not a de Polignac number, because 231114212391 - 2⁶ = 231114212327 is a prime.

It is a super-2 number, since 2×231114212391² (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 (231114212311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1724655 + ... + 1853823.

It is an arithmetic number, because the mean of its divisors is an integer number (20097818640).

Almost surely, 2^231114212391 is an apocalyptic number.

231114212391 is a deficient number, since it is larger than the sum of its proper divisors (90450885849).

231114212391 is a wasteful number, since it uses less digits than its factorization.

231114212391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155126.

The product of its digits is 2592, while the sum is 30.

The spelling of 231114212391 in words is "two hundred thirty-one billion, one hundred fourteen million, two hundred twelve thousand, three hundred ninety-one".