203211332431 has 2 divisors, whose sum is σ = 203211332432. Its totient is φ = 203211332430.

The previous prime is 203211332407. The next prime is 203211332449. The reversal of 203211332431 is 134233112302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203211332431 - 2⁹ = 203211331919 is a prime.

It is a super-2 number, since 2×203211332431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203211332396 and 203211332405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203211332461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101605666215 + 101605666216.

It is an arithmetic number, because the mean of its divisors is an integer number (101605666216).

Almost surely, 2^203211332431 is an apocalyptic number.

203211332431 is a deficient number, since it is larger than the sum of its proper divisors (1).

203211332431 is an equidigital number, since it uses as much as digits as its factorization.

203211332431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203211332431 its reverse (134233112302), we get a palindrome (337444444733).

The spelling of 203211332431 in words is "two hundred three billion, two hundred eleven million, three hundred thirty-two thousand, four hundred thirty-one".