20174161431 has 16 divisors (see below), whose sum is σ = 28724060160. Its totient is φ = 12566772960.

The previous prime is 20174161421. The next prime is 20174161433. The reversal of 20174161431 is 13416147102.

It is not a de Polignac number, because 20174161431 - 2⁷ = 20174161303 is a prime.

It is a super-2 number, since 2×20174161431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20174161433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3737415 + ... + 3742808.

It is an arithmetic number, because the mean of its divisors is an integer number (1795253760).

Almost surely, 2^20174161431 is an apocalyptic number.

20174161431 is a deficient number, since it is larger than the sum of its proper divisors (8549898729).

20174161431 is a wasteful number, since it uses less digits than its factorization.

20174161431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480286.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 20174161431 in words is "twenty billion, one hundred seventy-four million, one hundred sixty-one thousand, four hundred thirty-one".