231104277240 has 32 divisors (see below), whose sum is σ = 693312832080. Its totient is φ = 61627807232.

The previous prime is 231104277193. The next prime is 231104277251. The reversal of 231104277240 is 42772401132.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 962934369 + ... + 962934608.

Almost surely, 2^231104277240 is an apocalyptic number.

231104277240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231104277240 is an abundant number, since it is smaller than the sum of its proper divisors (462208554840).

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

231104277240 is a wasteful number, since it uses less digits than its factorization.

231104277240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925868991 (or 1925868987 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

Adding to 231104277240 its reverse (42772401132), we get a palindrome (273876678372).

The spelling of 231104277240 in words is "two hundred thirty-one billion, one hundred four million, two hundred seventy-seven thousand, two hundred forty".