231381098 has 16 divisors (see below), whose sum is σ = 374250240. Its totient is φ = 106653936.

The previous prime is 231381061. The next prime is 231381103. The reversal of 231381098 is 890183132.

231381098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 16511 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (23390640).

Almost surely, 2^231381098 is an apocalyptic number.

231381098 is a deficient number, since it is larger than the sum of its proper divisors (142869142).

231381098 is a wasteful number, since it uses less digits than its factorization.

231381098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11461.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 231381098 is about 15211.2161906930. The cubic root of 231381098 is about 613.9164811226.

The spelling of 231381098 in words is "two hundred thirty-one million, three hundred eighty-one thousand, ninety-eight".