2131141402 has 8 divisors (see below), whose sum is σ = 3442613076. Its totient is φ = 983603712.

The previous prime is 2131141387. The next prime is 2131141409. The reversal of 2131141402 is 2041411312.

It can be written as a sum of positive squares in 2 ways, for example, as 1684199521 + 446941881 = 41039^2 + 21141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2131141402.

It is not an unprimeable number, because it can be changed into a prime (2131141409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40983463 + ... + 40983514.

Almost surely, 2^2131141402 is an apocalyptic number.

2131141402 is a deficient number, since it is larger than the sum of its proper divisors (1311471674).

2131141402 is a wasteful number, since it uses less digits than its factorization.

2131141402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81966992.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2131141402 is about 46164.2870842819. The cubic root of 2131141402 is about 1286.8781353797.

Adding to 2131141402 its reverse (2041411312), we get a palindrome (4172552714).

The spelling of 2131141402 in words is "two billion, one hundred thirty-one million, one hundred forty-one thousand, four hundred two".