231531540342414 has 32 divisors (see below), whose sum is σ = 499347343509504. Its totient is φ = 71145613116000.

The previous prime is 231531540342413. The next prime is 231531540342577. The reversal of 231531540342414 is 414243045135132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231531540342413) 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, 1976208454 + ... + 1976325609.

It is an arithmetic number, because the mean of its divisors is an integer number (15604604484672).

Almost surely, 2^{231531540342414} is an apocalyptic number.

231531540342414 is an abundant number, since it is smaller than the sum of its proper divisors (267815803167090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231531540342414 is a wasteful number, since it uses less digits than its factorization.

231531540342414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952534832.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 231531540342414 its reverse (414243045135132), we get a palindrome (645774585477546).

The spelling of 231531540342414 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, five hundred forty million, three hundred forty-two thousand, four hundred fourteen".