163703131 has 2 divisors, whose sum is σ = 163703132. Its totient is φ = 163703130.

The previous prime is 163703101. The next prime is 163703161. The reversal of 163703131 is 131307361.

It is a balanced prime because it is at equal distance from previous prime (163703101) and next prime (163703161).

It is an emirp because it is prime and its reverse (131307361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163703131 - 2¹³ = 163694939 is a prime.

It is a super-2 number, since 2×163703131² = 53597430198406322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163703096 and 163703105.

It is not a weakly prime, because it can be changed into another prime (163703101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81851565 + 81851566.

It is an arithmetic number, because the mean of its divisors is an integer number (81851566).

Almost surely, 2^163703131 is an apocalyptic number.

163703131 is a deficient number, since it is larger than the sum of its proper divisors (1).

163703131 is an equidigital number, since it uses as much as digits as its factorization.

163703131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 163703131 is about 12794.6524376397. The cubic root of 163703131 is about 547.0398889393.

The spelling of 163703131 in words is "one hundred sixty-three million, seven hundred three thousand, one hundred thirty-one".