231352450 has 48 divisors (see below), whose sum is σ = 493521984. Its totient is φ = 79041600.

The previous prime is 231352441. The next prime is 231352477. The reversal of 231352450 is 54253132.

It is a super-2 number, since 2×231352450² = 107047912242005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114852 + ... + 116848.

It is an arithmetic number, because the mean of its divisors is an integer number (10281708).

Almost surely, 2^231352450 is an apocalyptic number.

231352450 is an abundant number, since it is smaller than the sum of its proper divisors (262169534).

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

231352450 is a wasteful number, since it uses less digits than its factorization.

231352450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 231352450 is about 15210.2744879900. The cubic root of 231352450 is about 613.8911431190.

The spelling of 231352450 in words is "two hundred thirty-one million, three hundred fifty-two thousand, four hundred fifty".