101231432117 has 2 divisors, whose sum is σ = 101231432118. Its totient is φ = 101231432116.

The previous prime is 101231432083. The next prime is 101231432119. The reversal of 101231432117 is 711234132101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95055672721 + 6175759396 = 308311^2 + 78586^2 .

It is a cyclic number.

It is not a de Polignac number, because 101231432117 - 2¹⁶ = 101231366581 is a prime.

Together with 101231432119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101231432119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615716058 + 50615716059.

It is an arithmetic number, because the mean of its divisors is an integer number (50615716059).

Almost surely, 2^101231432117 is an apocalyptic number.

It is an amenable number.

101231432117 is a deficient number, since it is larger than the sum of its proper divisors (1).

101231432117 is an equidigital number, since it uses as much as digits as its factorization.

101231432117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 101231432117 its reverse (711234132101), we get a palindrome (812465564218).

The spelling of 101231432117 in words is "one hundred one billion, two hundred thirty-one million, four hundred thirty-two thousand, one hundred seventeen".