231054580 has 24 divisors (see below), whose sum is σ = 493171560. Its totient is φ = 90906240.

The previous prime is 231054553. The next prime is 231054581. The reversal of 231054580 is 85450132.

It can be written as a sum of positive squares in 4 ways, for example, as 15023376 + 216031204 = 3876^2 + 14698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231054581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93475 + ... + 95914.

It is an arithmetic number, because the mean of its divisors is an integer number (20548815).

Almost surely, 2^231054580 is an apocalyptic number.

231054580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231054580 is an abundant number, since it is smaller than the sum of its proper divisors (262116980).

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

231054580 is a wasteful number, since it uses less digits than its factorization.

231054580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189459 (or 189457 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 231054580 is about 15200.4795976969. The cubic root of 231054580 is about 613.6275650599.

The spelling of 231054580 in words is "two hundred thirty-one million, fifty-four thousand, five hundred eighty".