101538671231 has 2 divisors, whose sum is σ = 101538671232. Its totient is φ = 101538671230.

The previous prime is 101538671197. The next prime is 101538671249. The reversal of 101538671231 is 132176835101.

It is a strong prime.

It is an emirp because it is prime and its reverse (132176835101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101538671231 - 2¹⁸ = 101538409087 is a prime.

It is a super-2 number, since 2×101538671231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101538671261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50769335615 + 50769335616.

It is an arithmetic number, because the mean of its divisors is an integer number (50769335616).

Almost surely, 2^101538671231 is an apocalyptic number.

101538671231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101538671231 is an equidigital number, since it uses as much as digits as its factorization.

101538671231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 101538671231 in words is "one hundred one billion, five hundred thirty-eight million, six hundred seventy-one thousand, two hundred thirty-one".