2131102401 has 4 divisors (see below), whose sum is σ = 2841469872. Its totient is φ = 1420734932.

The previous prime is 2131102397. The next prime is 2131102447. The reversal of 2131102401 is 1042011312.

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 a cyclic number.

It is not a de Polignac number, because 2131102401 - 2² = 2131102397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131102451) 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, 355183731 + ... + 355183736.

It is an arithmetic number, because the mean of its divisors is an integer number (710367468).

Almost surely, 2^2131102401 is an apocalyptic number.

It is an amenable number.

2131102401 is a deficient number, since it is larger than the sum of its proper divisors (710367471).

2131102401 is an equidigital number, since it uses as much as digits as its factorization.

2131102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710367470.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2131102401 is about 46163.8646670748. The cubic root of 2131102401 is about 1286.8702851513.

Adding to 2131102401 its reverse (1042011312), we get a palindrome (3173113713).

The spelling of 2131102401 in words is "two billion, one hundred thirty-one million, one hundred two thousand, four hundred one".