2131423130 has 32 divisors (see below), whose sum is σ = 3944844288. Its totient is φ = 828662400.

The previous prime is 2131423123. The next prime is 2131423139. The reversal of 2131423130 is 313241312.

It is not an unprimeable number, because it can be changed into a prime (2131423139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101519 + ... + 120701.

It is an arithmetic number, because the mean of its divisors is an integer number (123276384).

Almost surely, 2^2131423130 is an apocalyptic number.

2131423130 is a deficient number, since it is larger than the sum of its proper divisors (1813421158).

2131423130 is a wasteful number, since it uses less digits than its factorization.

2131423130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19502.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2131423130 is about 46167.3383464977. The cubic root of 2131423130 is about 1286.9348395208.

Adding to 2131423130 its reverse (313241312), we get a palindrome (2444664442).

It can be divided in two parts, 21314 and 23130, that added together give a palindrome (44444).

The spelling of 2131423130 in words is "two billion, one hundred thirty-one million, four hundred twenty-three thousand, one hundred thirty".