998330111431 has 4 divisors (see below), whose sum is σ = 1000964228200. Its totient is φ = 995695994664.

The previous prime is 998330111377. The next prime is 998330111459. The reversal of 998330111431 is 134111033899.

998330111431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 998330111431 - 2²⁷ = 998195893703 is a prime.

It is a super-2 number, since 2×998330111431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998330111731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317057816 + ... + 1317058573.

It is an arithmetic number, because the mean of its divisors is an integer number (250241057050).

Almost surely, 2^998330111431 is an apocalyptic number.

998330111431 is a deficient number, since it is larger than the sum of its proper divisors (2634116769).

998330111431 is a wasteful number, since it uses less digits than its factorization.

998330111431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634116768.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 998330111431 in words is "nine hundred ninety-eight billion, three hundred thirty million, one hundred eleven thousand, four hundred thirty-one".