2142103401 has 10 divisors (see below), whose sum is σ = 3199932362. Its totient is φ = 1428068880.

The previous prime is 2142103363. The next prime is 2142103427. The reversal of 2142103401 is 1043012412.

It can be written as a sum of positive squares in only one way, i.e., 1560329001 + 581774400 = 39501^2 + 24120^2 .

It is not a de Polignac number, because 2142103401 - 2⁷ = 2142103273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142103451) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13222780 + ... + 13222941.

Almost surely, 2^2142103401 is an apocalyptic number.

It is an amenable number.

2142103401 is a deficient number, since it is larger than the sum of its proper divisors (1057828961).

2142103401 is an equidigital number, since it uses as much as digits as its factorization.

2142103401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26445733 (or 26445724 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2142103401 is about 46282.8629300306. The cubic root of 2142103401 is about 1289.0808108447.

Adding to 2142103401 its reverse (1043012412), we get a palindrome (3185115813).

The spelling of 2142103401 in words is "two billion, one hundred forty-two million, one hundred three thousand, four hundred one".