231040155030 has 32 divisors (see below), whose sum is σ = 554922019584. Its totient is φ = 61563413856.

The previous prime is 231040154953. The next prime is 231040155043. The reversal of 231040155030 is 30551040132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916144 + ... + 2994323.

It is an arithmetic number, because the mean of its divisors is an integer number (17341313112).

Almost surely, 2^231040155030 is an apocalyptic number.

231040155030 is an abundant number, since it is smaller than the sum of its proper divisors (323881864554).

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

231040155030 is a wasteful number, since it uses less digits than its factorization.

231040155030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911780.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 231040155030 its reverse (30551040132), we get a palindrome (261591195162).

The spelling of 231040155030 in words is "two hundred thirty-one billion, forty million, one hundred fifty-five thousand, thirty".