2100340234 has 4 divisors (see below), whose sum is σ = 3150510354. Its totient is φ = 1050170116.

The previous prime is 2100340223. The next prime is 2100340273. The reversal of 2100340234 is 4320430012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1628364609 + 471975625 = 40353^2 + 21725^2 .

It is a super-2 number, since 2×2100340234² = 8822858197118349512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525085057 + ... + 525085060.

Almost surely, 2^2100340234 is an apocalyptic number.

2100340234 is a deficient number, since it is larger than the sum of its proper divisors (1050170120).

2100340234 is a wasteful number, since it uses less digits than its factorization.

2100340234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050170119.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2100340234 is about 45829.4690564925. The cubic root of 2100340234 is about 1280.6483194389.

Adding to 2100340234 its reverse (4320430012), we get a palindrome (6420770246).

The spelling of 2100340234 in words is "two billion, one hundred million, three hundred forty thousand, two hundred thirty-four".