162113031 has 6 divisors (see below), whose sum is σ = 234163280. Its totient is φ = 108075348.

The previous prime is 162113009. The next prime is 162113033. The reversal of 162113031 is 130311261.

162113031 is a `hidden beast` number, since 1 + 621 + 13 + 0 + 31 = 666.

It is not a de Polignac number, because 162113031 - 2¹⁰ = 162112007 is a prime.

It is a super-2 number, since 2×162113031² = 52561269640013922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162112995 and 162113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162113033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9006271 + ... + 9006288.

Almost surely, 2^162113031 is an apocalyptic number.

162113031 is a deficient number, since it is larger than the sum of its proper divisors (72050249).

162113031 is a wasteful number, since it uses less digits than its factorization.

162113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18012565 (or 18012562 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 162113031 is about 12732.3615641404. The cubic root of 162113031 is about 545.2629329161.

Adding to 162113031 its reverse (130311261), we get a palindrome (292424292).

The spelling of 162113031 in words is "one hundred sixty-two million, one hundred thirteen thousand, thirty-one".