2131434034 has 4 divisors (see below), whose sum is σ = 3197151054. Its totient is φ = 1065717016.

The previous prime is 2131434031. The next prime is 2131434043. The reversal of 2131434034 is 4304341312.

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., 2038793409 + 92640625 = 45153^2 + 9625^2 .

It is a super-2 number, since 2×2131434034² = 9086022082587026312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131434031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532858507 + ... + 532858510.

Almost surely, 2^2131434034 is an apocalyptic number.

2131434034 is a deficient number, since it is larger than the sum of its proper divisors (1065717020).

2131434034 is a wasteful number, since it uses less digits than its factorization.

2131434034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065717019.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2131434034 is about 46167.4564384914. The cubic root of 2131434034 is about 1286.9370340974.

Adding to 2131434034 its reverse (4304341312), we get a palindrome (6435775346).

The spelling of 2131434034 in words is "two billion, one hundred thirty-one million, four hundred thirty-four thousand, thirty-four".