2103404431 has 2 divisors, whose sum is σ = 2103404432. Its totient is φ = 2103404430.

The previous prime is 2103404417. The next prime is 2103404447. The reversal of 2103404431 is 1344043012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2103404431 - 2²¹ = 2101307279 is a prime.

It is a super-2 number, since 2×2103404431² = 8848620400700867522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103404531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051702215 + 1051702216.

It is an arithmetic number, because the mean of its divisors is an integer number (1051702216).

Almost surely, 2^2103404431 is an apocalyptic number.

2103404431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103404431 is an equidigital number, since it uses as much as digits as its factorization.

2103404431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2103404431 is about 45862.8872946307. The cubic root of 2103404431 is about 1281.2707982632.

Adding to 2103404431 its reverse (1344043012), we get a palindrome (3447447443).

The spelling of 2103404431 in words is "two billion, one hundred three million, four hundred four thousand, four hundred thirty-one".