162032420531 has 4 divisors (see below), whose sum is σ = 162846654000. Its totient is φ = 161218187064.

The previous prime is 162032420521. The next prime is 162032420549. The reversal of 162032420531 is 135024230261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162032420531 is a prime.

It is a super-2 number, since 2×162032420531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162032420494 and 162032420503.

It is not an unprimeable number, because it can be changed into a prime (162032420521) 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, 407116436 + ... + 407116833.

It is an arithmetic number, because the mean of its divisors is an integer number (40711663500).

Almost surely, 2^162032420531 is an apocalyptic number.

162032420531 is a deficient number, since it is larger than the sum of its proper divisors (814233469).

162032420531 is an equidigital number, since it uses as much as digits as its factorization.

162032420531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814233468.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 162032420531 its reverse (135024230261), we get a palindrome (297056650792).

The spelling of 162032420531 in words is "one hundred sixty-two billion, thirty-two million, four hundred twenty thousand, five hundred thirty-one".