231046992 has 200 divisors, whose sum is σ = 768804960. Its totient is φ = 66251520.

The previous prime is 231046979. The next prime is 231047023. The reversal of 231046992 is 299640132.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 270438 + ... + 271290.

Almost surely, 2^231046992 is an apocalyptic number.

231046992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231046992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384402480).

231046992 is an abundant number, since it is smaller than the sum of its proper divisors (537757968).

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

231046992 is a wasteful number, since it uses less digits than its factorization.

231046992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 231046992 is about 15200.2299982599. The cubic root of 231046992 is about 613.6208476615.

The spelling of 231046992 in words is "two hundred thirty-one million, forty-six thousand, nine hundred ninety-two".