231062540 has 12 divisors (see below), whose sum is σ = 485231376. Its totient is φ = 92425008.

The previous prime is 231062539. The next prime is 231062543. The reversal of 231062540 is 45260132.

231062540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231062543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5776544 + ... + 5776583.

It is an arithmetic number, because the mean of its divisors is an integer number (40435948).

Almost surely, 2^231062540 is an apocalyptic number.

231062540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231062540 is an abundant number, since it is smaller than the sum of its proper divisors (254168836).

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

231062540 is a wasteful number, since it uses less digits than its factorization.

231062540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553136 (or 11553134 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 231062540 is about 15200.7414292856. The cubic root of 231062540 is about 613.6346116191.

The spelling of 231062540 in words is "two hundred thirty-one million, sixty-two thousand, five hundred forty".