2102313234 has 32 divisors (see below), whose sum is σ = 4834077696. Its totient is φ = 597062160.

The previous prime is 2102313223. The next prime is 2102313247. The reversal of 2102313234 is 4323132012.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2102313234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142852 + ... + 156879.

It is an arithmetic number, because the mean of its divisors is an integer number (151064928).

Almost surely, 2^2102313234 is an apocalyptic number.

2102313234 is an abundant number, since it is smaller than the sum of its proper divisors (2731764462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102313234 is a wasteful number, since it uses less digits than its factorization.

2102313234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299910.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2102313234 is about 45850.9894549725. The cubic root of 2102313234 is about 1281.0491955017.

Adding to 2102313234 its reverse (4323132012), we get a palindrome (6425445246).

The spelling of 2102313234 in words is "two billion, one hundred two million, three hundred thirteen thousand, two hundred thirty-four".