2131401234 has 16 divisors (see below), whose sum is σ = 4263255072. Its totient is φ = 710391648.

The previous prime is 2131401227. The next prime is 2131401257. The reversal of 2131401234 is 4321041312.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131401234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99657 + ... + 119139.

It is an arithmetic number, because the mean of its divisors is an integer number (266453442).

Almost surely, 2^2131401234 is an apocalyptic number.

2131401234 is an abundant number, since it is smaller than the sum of its proper divisors (2131853838).

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

2131401234 is a wasteful number, since it uses less digits than its factorization.

2131401234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37721.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2131401234 is about 46167.1012085446. The cubic root of 2131401234 is about 1286.9304326340.

Adding to 2131401234 its reverse (4321041312), we get a palindrome (6452442546).

The spelling of 2131401234 in words is "two billion, one hundred thirty-one million, four hundred one thousand, two hundred thirty-four".