2113431004 has 6 divisors (see below), whose sum is σ = 3698504264. Its totient is φ = 1056715500.

The previous prime is 2113430993. The next prime is 2113431029. The reversal of 2113431004 is 4001343112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264178872 + ... + 264178879.

Almost surely, 2^2113431004 is an apocalyptic number.

It is an amenable number.

2113431004 is a deficient number, since it is larger than the sum of its proper divisors (1585073260).

2113431004 is a wasteful number, since it uses less digits than its factorization.

2113431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528357755 (or 528357753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2113431004 is about 45972.0676498241. The cubic root of 2113431004 is about 1283.3034389543.

Adding to 2113431004 its reverse (4001343112), we get a palindrome (6114774116).

The spelling of 2113431004 in words is "two billion, one hundred thirteen million, four hundred thirty-one thousand, four".