2331399403 has 2 divisors, whose sum is σ = 2331399404. Its totient is φ = 2331399402.

The previous prime is 2331399379. The next prime is 2331399451. The reversal of 2331399403 is 3049931332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2331399403 - 2¹³ = 2331391211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2331339403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165699701 + 1165699702.

It is an arithmetic number, because the mean of its divisors is an integer number (1165699702).

Almost surely, 2^2331399403 is an apocalyptic number.

2331399403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331399403 is an equidigital number, since it uses as much as digits as its factorization.

2331399403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 2331399403 is about 48284.5669236041. The cubic root of 2331399403 is about 1325.9858623267.

The spelling of 2331399403 in words is "two billion, three hundred thirty-one million, three hundred ninety-nine thousand, four hundred three".