2103231402 has 24 divisors (see below), whose sum is σ = 4559011236. Its totient is φ = 700767936.

The previous prime is 2103231401. The next prime is 2103231419. The reversal of 2103231402 is 2041323012.

It can be written as a sum of positive squares in 2 ways, for example, as 2103231321 + 81 = 45861^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2103231401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18208 + ... + 67364.

Almost surely, 2^2103231402 is an apocalyptic number.

2103231402 is an abundant number, since it is smaller than the sum of its proper divisors (2455779834).

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

2103231402 is a wasteful number, since it uses less digits than its factorization.

2103231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51542 (or 51539 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2103231402 is about 45861.0008831033. Note that the first 3 decimals coincide. The cubic root of 2103231402 is about 1281.2356642552.

Adding to 2103231402 its reverse (2041323012), we get a palindrome (4144554414).

The spelling of 2103231402 in words is "two billion, one hundred three million, two hundred thirty-one thousand, four hundred two".