2031303401 has 2 divisors, whose sum is σ = 2031303402. Its totient is φ = 2031303400.

The previous prime is 2031303383. The next prime is 2031303409. The reversal of 2031303401 is 1043031302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1314135001 + 717168400 = 36251^2 + 26780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031303401 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031303401.

It is not a weakly prime, because it can be changed into another prime (2031303409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015651700 + 1015651701.

It is an arithmetic number, because the mean of its divisors is an integer number (1015651701).

Almost surely, 2^2031303401 is an apocalyptic number.

It is an amenable number.

2031303401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031303401 is an equidigital number, since it uses as much as digits as its factorization.

2031303401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2031303401 is about 45069.9833703098. The cubic root of 2031303401 is about 1266.4603528780.

Adding to 2031303401 its reverse (1043031302), we get a palindrome (3074334703).

The spelling of 2031303401 in words is "two billion, thirty-one million, three hundred three thousand, four hundred one".