101213162231 has 2 divisors, whose sum is σ = 101213162232. Its totient is φ = 101213162230.

The previous prime is 101213162207. The next prime is 101213162263. The reversal of 101213162231 is 132261312101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101213162231 is a prime.

It is a super-2 number, since 2×101213162231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101213162197 and 101213162206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101213162201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606581115 + 50606581116.

It is an arithmetic number, because the mean of its divisors is an integer number (50606581116).

Almost surely, 2^101213162231 is an apocalyptic number.

101213162231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101213162231 is an equidigital number, since it uses as much as digits as its factorization.

101213162231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 101213162231 its reverse (132261312101), we get a palindrome (233474474332).

The spelling of 101213162231 in words is "one hundred one billion, two hundred thirteen million, one hundred sixty-two thousand, two hundred thirty-one".