231098 has 16 divisors (see below), whose sum is σ = 419904. Its totient is φ = 93120.

The previous prime is 231079. The next prime is 231107. The reversal of 231098 is 890132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (26244).

2²³¹⁰⁹⁸ is an apocalyptic number.

231098 is a deficient number, since it is larger than the sum of its proper divisors (188806).

231098 is a wasteful number, since it uses less digits than its factorization.

231098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 231098 is about 480.7265334886. The cubic root of 231098 is about 61.3666000481.

The spelling of 231098 in words is "two hundred thirty-one thousand, ninety-eight".