2102031342 has 24 divisors (see below), whose sum is σ = 4555695144. Its totient is φ = 700478064.

The previous prime is 2102031301. The next prime is 2102031343. The reversal of 2102031342 is 2431302012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102031343) 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, 57468 + ... + 86640.

It is an arithmetic number, because the mean of its divisors is an integer number (189820631).

Almost surely, 2^2102031342 is an apocalyptic number.

2102031342 is an abundant number, since it is smaller than the sum of its proper divisors (2453663802).

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

2102031342 is a wasteful number, since it uses less digits than its factorization.

2102031342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33184 (or 33181 counting only the distinct ones).

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

The square root of 2102031342 is about 45847.9153506460. The cubic root of 2102031342 is about 1280.9919357722.

Adding to 2102031342 its reverse (2431302012), we get a palindrome (4533333354).

The spelling of 2102031342 in words is "two billion, one hundred two million, thirty-one thousand, three hundred forty-two".