231054736 has 40 divisors (see below), whose sum is σ = 494280864. Its totient is φ = 103752960.

The previous prime is 231054671. The next prime is 231054737. The reversal of 231054736 is 637450132.

231054736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231054698 and 231054707.

It is not an unprimeable number, because it can be changed into a prime (231054737) 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, 6700 + ... + 22516.

Almost surely, 2^231054736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231054736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247140432).

231054736 is an abundant number, since it is smaller than the sum of its proper divisors (263226128).

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

231054736 is a wasteful number, since it uses less digits than its factorization.

231054736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15919 (or 15913 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 231054736 is about 15200.4847291131. The cubic root of 231054736 is about 613.6277031598.

The spelling of 231054736 in words is "two hundred thirty-one million, fifty-four thousand, seven hundred thirty-six".