162243031 has 2 divisors, whose sum is σ = 162243032. Its totient is φ = 162243030.

The previous prime is 162242987. The next prime is 162243041. The reversal of 162243031 is 130342261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162243031 - 2¹¹ = 162240983 is a prime.

It is a super-2 number, since 2×162243031² = 52645602216133922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162242993 and 162243011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162243041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81121515 + 81121516.

It is an arithmetic number, because the mean of its divisors is an integer number (81121516).

Almost surely, 2^162243031 is an apocalyptic number.

162243031 is a deficient number, since it is larger than the sum of its proper divisors (1).

162243031 is an equidigital number, since it uses as much as digits as its factorization.

162243031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 162243031 is about 12737.4656427407. The cubic root of 162243031 is about 545.4086445053.

Adding to 162243031 its reverse (130342261), we get a palindrome (292585292).

The spelling of 162243031 in words is "one hundred sixty-two million, two hundred forty-three thousand, thirty-one".