2131400202 has 64 divisors (see below), whose sum is σ = 4701957120. Its totient is φ = 641101824.

The previous prime is 2131400189. The next prime is 2131400203. The reversal of 2131400202 is 2020041312.

It is not an unprimeable number, because it can be changed into a prime (2131400203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672273 + ... + 675435.

It is an arithmetic number, because the mean of its divisors is an integer number (73468080).

Almost surely, 2^2131400202 is an apocalyptic number.

2131400202 is an abundant number, since it is smaller than the sum of its proper divisors (2570556918).

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

2131400202 is a wasteful number, since it uses less digits than its factorization.

2131400202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2131400202 is about 46167.0900317531. The cubic root of 2131400202 is about 1286.9302249283.

Adding to 2131400202 its reverse (2020041312), we get a palindrome (4151441514).

The spelling of 2131400202 in words is "two billion, one hundred thirty-one million, four hundred thousand, two hundred two".