163113031 has 2 divisors, whose sum is σ = 163113032. Its totient is φ = 163113030.

The previous prime is 163112981. The next prime is 163113053. The reversal of 163113031 is 130311361.

163113031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (130311361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163113031 - 2⁹ = 163112519 is a prime.

It is a super-2 number, since 2×163113031² = 53211721764013922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163113331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81556515 + 81556516.

It is an arithmetic number, because the mean of its divisors is an integer number (81556516).

Almost surely, 2^163113031 is an apocalyptic number.

163113031 is a deficient number, since it is larger than the sum of its proper divisors (1).

163113031 is an equidigital number, since it uses as much as digits as its factorization.

163113031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 163113031 is about 12771.5712032623. The cubic root of 163113031 is about 546.3817934174.

Adding to 163113031 its reverse (130311361), we get a palindrome (293424392).

The spelling of 163113031 in words is "one hundred sixty-three million, one hundred thirteen thousand, thirty-one".