431401403203 has 2 divisors, whose sum is σ = 431401403204. Its totient is φ = 431401403202.

The previous prime is 431401403197. The next prime is 431401403221. The reversal of 431401403203 is 302304104134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431401403203 - 2¹³ = 431401395011 is a prime.

It is a super-2 number, since 2×431401403203² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431401403603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215700701601 + 215700701602.

It is an arithmetic number, because the mean of its divisors is an integer number (215700701602).

Almost surely, 2^431401403203 is an apocalyptic number.

431401403203 is a deficient number, since it is larger than the sum of its proper divisors (1).

431401403203 is an equidigital number, since it uses as much as digits as its factorization.

431401403203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 431401403203 its reverse (302304104134), we get a palindrome (733705507337).

The spelling of 431401403203 in words is "four hundred thirty-one billion, four hundred one million, four hundred three thousand, two hundred three".