203422131231131 has 2 divisors, whose sum is σ = 203422131231132. Its totient is φ = 203422131231130.

The previous prime is 203422131231113. The next prime is 203422131231217. The reversal of 203422131231131 is 131132131224302.

Together with previous prime (203422131231113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203422131231131 - 2¹⁴ = 203422131214747 is a prime.

It is a super-2 number, since 2×203422131231131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203422131231094 and 203422131231103.

It is not a weakly prime, because it can be changed into another prime (203422181231131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101711065615565 + 101711065615566.

It is an arithmetic number, because the mean of its divisors is an integer number (101711065615566).

Almost surely, 2^{203422131231131} is an apocalyptic number.

203422131231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

203422131231131 is an equidigital number, since it uses as much as digits as its factorization.

203422131231131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 203422131231131 its reverse (131132131224302), we get a palindrome (334554262455433).

The spelling of 203422131231131 in words is "two hundred three trillion, four hundred twenty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-one".