3098397931 has 4 divisors (see below), whose sum is σ = 3098520000. Its totient is φ = 3098275864.

The previous prime is 3098397923. The next prime is 3098397937. The reversal of 3098397931 is 1397938903.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3098397931 - 2³ = 3098397923 is a prime.

It is a super-2 number, since 2×3098397931² = 19200139477650161522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3098397937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7036 + ... + 79033.

It is an arithmetic number, because the mean of its divisors is an integer number (774630000).

Almost surely, 2^3098397931 is an apocalyptic number.

3098397931 is a deficient number, since it is larger than the sum of its proper divisors (122069).

3098397931 is an equidigital number, since it uses as much as digits as its factorization.

3098397931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122068.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 3098397931 is about 55663.2547647009. The cubic root of 3098397931 is about 1457.8485122881.

The spelling of 3098397931 in words is "three billion, ninety-eight million, three hundred ninety-seven thousand, nine hundred thirty-one".