162153730031 has 4 divisors (see below), whose sum is σ = 162993904992. Its totient is φ = 161313555072.

The previous prime is 162153730027. The next prime is 162153730043. The reversal of 162153730031 is 130037351261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130037351261 = 19 ⋅6844071119.

It is a cyclic number.

It is not a de Polignac number, because 162153730031 - 2² = 162153730027 is a prime.

It is a super-2 number, since 2×162153730031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162153730031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162153730091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420087191 + ... + 420087576.

It is an arithmetic number, because the mean of its divisors is an integer number (40748476248).

Almost surely, 2^162153730031 is an apocalyptic number.

162153730031 is a deficient number, since it is larger than the sum of its proper divisors (840174961).

162153730031 is an equidigital number, since it uses as much as digits as its factorization.

162153730031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840174960.

The product of its (nonzero) digits is 11340, while the sum is 32.

The spelling of 162153730031 in words is "one hundred sixty-two billion, one hundred fifty-three million, seven hundred thirty thousand, thirty-one".