203312380451 has 2 divisors, whose sum is σ = 203312380452. Its totient is φ = 203312380450.

The previous prime is 203312380429. The next prime is 203312380459. The reversal of 203312380451 is 154083213302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203312380451 - 2⁶ = 203312380387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (203312380459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101656190225 + 101656190226.

It is an arithmetic number, because the mean of its divisors is an integer number (101656190226).

Almost surely, 2^203312380451 is an apocalyptic number.

203312380451 is a deficient number, since it is larger than the sum of its proper divisors (1).

203312380451 is an equidigital number, since it uses as much as digits as its factorization.

203312380451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 203312380451 its reverse (154083213302), we get a palindrome (357395593753).

The spelling of 203312380451 in words is "two hundred three billion, three hundred twelve million, three hundred eighty thousand, four hundred fifty-one".