231554252 has 12 divisors (see below), whose sum is σ = 418291776. Its totient is φ = 112042320.

The previous prime is 231554227. The next prime is 231554303. The reversal of 231554252 is 252455132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933563 + ... + 933810.

It is an arithmetic number, because the mean of its divisors is an integer number (34857648).

Almost surely, 2^231554252 is an apocalyptic number.

It is an amenable number.

231554252 is a deficient number, since it is larger than the sum of its proper divisors (186737524).

231554252 is a wasteful number, since it uses less digits than its factorization.

231554252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867408 (or 1867406 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 231554252 is about 15216.9067816032. The cubic root of 231554252 is about 614.0695843641.

The spelling of 231554252 in words is "two hundred thirty-one million, five hundred fifty-four thousand, two hundred fifty-two".