2081431074 has 32 divisors (see below), whose sum is σ = 4457280960. Its totient is φ = 645658112.

The previous prime is 2081431073. The next prime is 2081431117. The reversal of 2081431074 is 4701341802.

It is not an unprimeable number, because it can be changed into a prime (2081431073) 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, 105564 + ... + 123719.

It is an arithmetic number, because the mean of its divisors is an integer number (139290030).

Almost surely, 2^2081431074 is an apocalyptic number.

2081431074 is an abundant number, since it is smaller than the sum of its proper divisors (2375849886).

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

2081431074 is a wasteful number, since it uses less digits than its factorization.

2081431074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229394.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2081431074 is about 45622.7034928883. The cubic root of 2081431074 is about 1276.7935438109.

Adding to 2081431074 its reverse (4701341802), we get a palindrome (6782772876).

The spelling of 2081431074 in words is "two billion, eighty-one million, four hundred thirty-one thousand, seventy-four".