162248431 has 2 divisors, whose sum is σ = 162248432. Its totient is φ = 162248430.

The previous prime is 162248393. The next prime is 162248447. The reversal of 162248431 is 134842261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162248431 - 2¹⁵ = 162215663 is a prime.

It is a super-2 number, since 2×162248431² = 52649106723923522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162248393 and 162248402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162248461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81124215 + 81124216.

It is an arithmetic number, because the mean of its divisors is an integer number (81124216).

Almost surely, 2^162248431 is an apocalyptic number.

162248431 is a deficient number, since it is larger than the sum of its proper divisors (1).

162248431 is an equidigital number, since it uses as much as digits as its factorization.

162248431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 162248431 is about 12737.6776140708. The cubic root of 162248431 is about 545.4146954565.

The spelling of 162248431 in words is "one hundred sixty-two million, two hundred forty-eight thousand, four hundred thirty-one".