2003198831 has 2 divisors, whose sum is σ = 2003198832. Its totient is φ = 2003198830.

The previous prime is 2003198801. The next prime is 2003198837. The reversal of 2003198831 is 1388913002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2003198831 - 2¹⁸ = 2002936687 is a prime.

It is a super-2 number, since 2×2003198831² = 8025611113039533122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003198791 and 2003198800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003198837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001599415 + 1001599416.

It is an arithmetic number, because the mean of its divisors is an integer number (1001599416).

Almost surely, 2^2003198831 is an apocalyptic number.

2003198831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003198831 is an equidigital number, since it uses as much as digits as its factorization.

2003198831 is an evil number, because the sum of its binary digits is even.

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

The square root of 2003198831 is about 44757.1092788621. The cubic root of 2003198831 is about 1260.5924045157.

The spelling of 2003198831 in words is "two billion, three million, one hundred ninety-eight thousand, eight hundred thirty-one".