312232220203 has 2 divisors, whose sum is σ = 312232220204. Its totient is φ = 312232220202.

The previous prime is 312232220107. The next prime is 312232220227. The reversal of 312232220203 is 302022232213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312232220203 - 2¹³ = 312232212011 is a prime.

It is a super-2 number, since 2×312232220203² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312232220273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156116110101 + 156116110102.

It is an arithmetic number, because the mean of its divisors is an integer number (156116110102).

Almost surely, 2^312232220203 is an apocalyptic number.

312232220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

312232220203 is an equidigital number, since it uses as much as digits as its factorization.

312232220203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 312232220203 its reverse (302022232213), we get a palindrome (614254452416).

The spelling of 312232220203 in words is "three hundred twelve billion, two hundred thirty-two million, two hundred twenty thousand, two hundred three".