2111131004 has 6 divisors (see below), whose sum is σ = 3694479264. Its totient is φ = 1055565500.

The previous prime is 2111130991. The next prime is 2111131013. The reversal of 2111131004 is 4001311112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111131004.

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, 263891372 + ... + 263891379.

It is an arithmetic number, because the mean of its divisors is an integer number (615746544).

Almost surely, 2^2111131004 is an apocalyptic number.

It is an amenable number.

2111131004 is a deficient number, since it is larger than the sum of its proper divisors (1583348260).

2111131004 is a wasteful number, since it uses less digits than its factorization.

2111131004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527782755 (or 527782753 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2111131004 is about 45947.0456504006. The cubic root of 2111131004 is about 1282.8377397711.

Adding to 2111131004 its reverse (4001311112), we get a palindrome (6112442116).

The spelling of 2111131004 in words is "two billion, one hundred eleven million, one hundred thirty-one thousand, four".