231269560 has 32 divisors (see below), whose sum is σ = 520868160. Its totient is φ = 92416896.

The previous prime is 231269543. The next prime is 231269593. The reversal of 231269560 is 65962132.

231269560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50902 + ... + 55258.

It is an arithmetic number, because the mean of its divisors is an integer number (16277130).

Almost surely, 2^231269560 is an apocalyptic number.

231269560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231269560 is an abundant number, since it is smaller than the sum of its proper divisors (289598600).

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

231269560 is a wasteful number, since it uses less digits than its factorization.

231269560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695 (or 5691 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 231269560 is about 15207.5494409849. The cubic root of 231269560 is about 613.8178184648.

The spelling of 231269560 in words is "two hundred thirty-one million, two hundred sixty-nine thousand, five hundred sixty".