231078355198 has 16 divisors (see below), whose sum is σ = 353256358896. Its totient is φ = 113327456320.

The previous prime is 231078355171. The next prime is 231078355213. The reversal of 231078355198 is 891553870132.

It is a congruent 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, 77493 + ... + 684223.

It is an arithmetic number, because the mean of its divisors is an integer number (22078522431).

Almost surely, 2^231078355198 is an apocalyptic number.

231078355198 is a deficient number, since it is larger than the sum of its proper divisors (122178003698).

231078355198 is a wasteful number, since it uses less digits than its factorization.

231078355198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610379.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 231078355198 in words is "two hundred thirty-one billion, seventy-eight million, three hundred fifty-five thousand, one hundred ninety-eight".