231240014121 has 32 divisors (see below), whose sum is σ = 332396247040. Its totient is φ = 142520503104.

The previous prime is 231240014119. The next prime is 231240014123. The reversal of 231240014121 is 121410042132.

It is an interprime number because it is at equal distance from previous prime (231240014119) and next prime (231240014123).

It is not a de Polignac number, because 231240014121 - 2¹ = 231240014119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231240014123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2695536 + ... + 2779998.

It is an arithmetic number, because the mean of its divisors is an integer number (10387382720).

Almost surely, 2^231240014121 is an apocalyptic number.

It is an amenable number.

231240014121 is a deficient number, since it is larger than the sum of its proper divisors (101156232919).

231240014121 is a wasteful number, since it uses less digits than its factorization.

231240014121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85645.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 231240014121 its reverse (121410042132), we get a palindrome (352650056253).

The spelling of 231240014121 in words is "two hundred thirty-one billion, two hundred forty million, fourteen thousand, one hundred twenty-one".