231042121413 has 32 divisors (see below), whose sum is σ = 323025639552. Its totient is φ = 146723404800.

The previous prime is 231042121361. The next prime is 231042121423. The reversal of 231042121413 is 314121240132.

It is not a de Polignac number, because 231042121413 - 2⁸ = 231042121157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231042121423) 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, 18806833 + ... + 18819113.

It is an arithmetic number, because the mean of its divisors is an integer number (10094551236).

Almost surely, 2^231042121413 is an apocalyptic number.

It is an amenable number.

231042121413 is a deficient number, since it is larger than the sum of its proper divisors (91983518139).

231042121413 is a wasteful number, since it uses less digits than its factorization.

231042121413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15925.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 231042121413 its reverse (314121240132), we get a palindrome (545163361545).

The spelling of 231042121413 in words is "two hundred thirty-one billion, forty-two million, one hundred twenty-one thousand, four hundred thirteen".