17154140231 has 2 divisors, whose sum is σ = 17154140232. Its totient is φ = 17154140230.

The previous prime is 17154140189. The next prime is 17154140243. The reversal of 17154140231 is 13204145171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17154140231 - 2³⁰ = 16080398407 is a prime.

It is a super-2 number, since 2×17154140231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17154140194 and 17154140203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17154140131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8577070115 + 8577070116.

It is an arithmetic number, because the mean of its divisors is an integer number (8577070116).

Almost surely, 2^17154140231 is an apocalyptic number.

17154140231 is a deficient number, since it is larger than the sum of its proper divisors (1).

17154140231 is an equidigital number, since it uses as much as digits as its factorization.

17154140231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 17154140231 in words is "seventeen billion, one hundred fifty-four million, one hundred forty thousand, two hundred thirty-one".