231451240315 has 16 divisors (see below), whose sum is σ = 290562292800. Its totient is φ = 176655183232.

The previous prime is 231451240303. The next prime is 231451240327. The reversal of 231451240315 is 513042154132.

It is an interprime number because it is at equal distance from previous prime (231451240303) and next prime (231451240327).

It is a cyclic number.

It is not a de Polignac number, because 231451240315 - 2²⁹ = 230914369403 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542180 + ... + 2631649.

It is an arithmetic number, because the mean of its divisors is an integer number (18160143300).

Almost surely, 2^231451240315 is an apocalyptic number.

231451240315 is a deficient number, since it is larger than the sum of its proper divisors (59111052485).

231451240315 is a wasteful number, since it uses less digits than its factorization.

231451240315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174246.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 231451240315 its reverse (513042154132), we get a palindrome (744493394447).

The spelling of 231451240315 in words is "two hundred thirty-one billion, four hundred fifty-one million, two hundred forty thousand, three hundred fifteen".