2102340401 has 4 divisors (see below), whose sum is σ = 2402674752. Its totient is φ = 1802006052.

The previous prime is 2102340379. The next prime is 2102340403. The reversal of 2102340401 is 1040432012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2102340401 - 2²⁶ = 2035231537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102340401.

It is not an unprimeable number, because it can be changed into a prime (2102340403) 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, 150167165 + ... + 150167178.

It is an arithmetic number, because the mean of its divisors is an integer number (600668688).

Almost surely, 2^2102340401 is an apocalyptic number.

It is an amenable number.

2102340401 is a deficient number, since it is larger than the sum of its proper divisors (300334351).

2102340401 is an equidigital number, since it uses as much as digits as its factorization.

2102340401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300334350.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2102340401 is about 45851.2857071642. The cubic root of 2102340401 is about 1281.0547135684.

Adding to 2102340401 its reverse (1040432012), we get a palindrome (3142772413).

The spelling of 2102340401 in words is "two billion, one hundred two million, three hundred forty thousand, four hundred one".