231222212103203 has 16 divisors (see below), whose sum is σ = 244810825030656. Its totient is φ = 217931716205280.

The previous prime is 231222212103187. The next prime is 231222212103227. The reversal of 231222212103203 is 302301212222132.

It is a cyclic number.

It is not a de Polignac number, because 231222212103203 - 2⁴ = 231222212103187 is a prime.

It is a super-2 number, since 2×231222212103203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231222292103203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36794900 + ... + 42618177.

It is an arithmetic number, because the mean of its divisors is an integer number (15300676564416).

Almost surely, 2^{231222212103203} is an apocalyptic number.

231222212103203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231222212103203 is a deficient number, since it is larger than the sum of its proper divisors (13588612927453).

231222212103203 is a wasteful number, since it uses less digits than its factorization.

231222212103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79414954.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231222212103203 its reverse (302301212222132), we get a palindrome (533523424325335).

The spelling of 231222212103203 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, two hundred twelve million, one hundred three thousand, two hundred three".