2031111998 has 16 divisors (see below), whose sum is σ = 3098279376. Its totient is φ = 998370240.

The previous prime is 2031111959. The next prime is 2031112001. The reversal of 2031111998 is 8991111302.

2031111998 = 40⁴ + 41⁴ + ... + 100⁴.

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, 318065 + ... + 324387.

It is an arithmetic number, because the mean of its divisors is an integer number (193642461).

Almost surely, 2^2031111998 is an apocalyptic number.

2031111998 is a deficient number, since it is larger than the sum of its proper divisors (1067167378).

2031111998 is a wasteful number, since it uses less digits than its factorization.

2031111998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 2031111998 is about 45067.8599225657. The cubic root of 2031111998 is about 1266.4205735054.

The spelling of 2031111998 in words is "two billion, thirty-one million, one hundred eleven thousand, nine hundred ninety-eight".