2311021004 has 12 divisors (see below), whose sum is σ = 4282186104. Its totient is φ = 1087539264.

The previous prime is 2311020967. The next prime is 2311021033. The reversal of 2311021004 is 4001201132.

It is a self number, because there is not a number n which added to its sum of digits gives 2311021004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16992734 + ... + 16992869.

It is an arithmetic number, because the mean of its divisors is an integer number (356848842).

Almost surely, 2^2311021004 is an apocalyptic number.

It is an amenable number.

2311021004 is a deficient number, since it is larger than the sum of its proper divisors (1971165100).

2311021004 is a wasteful number, since it uses less digits than its factorization.

2311021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33985624 (or 33985622 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2311021004 is about 48073.0798264476. The cubic root of 2311021004 is about 1322.1111388960. Note that the first 4 decimals are identical.

Adding to 2311021004 its reverse (4001201132), we get a palindrome (6312222136).

The spelling of 2311021004 in words is "two billion, three hundred eleven million, twenty-one thousand, four".