2102312342 has 48 divisors (see below), whose sum is σ = 3627484560. Its totient is φ = 910780416.

The previous prime is 2102312243. The next prime is 2102312347. The reversal of 2102312342 is 2432132012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102312347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724238 + ... + 727134.

It is an arithmetic number, because the mean of its divisors is an integer number (75572595).

Almost surely, 2^2102312342 is an apocalyptic number.

2102312342 is a deficient number, since it is larger than the sum of its proper divisors (1525172218).

2102312342 is a wasteful number, since it uses less digits than its factorization.

2102312342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2102312342 is about 45850.9797278095. The cubic root of 2102312342 is about 1281.0490143210.

Adding to 2102312342 its reverse (2432132012), we get a palindrome (4534444354).

The spelling of 2102312342 in words is "two billion, one hundred two million, three hundred twelve thousand, three hundred forty-two".