162031402 has 16 divisors (see below), whose sum is σ = 261970632. Its totient is φ = 74718720.

The previous prime is 162031361. The next prime is 162031421. The reversal of 162031402 is 204130261.

It can be written as a sum of positive squares in 4 ways, for example, as 93489561 + 68541841 = 9669^2 + 8279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 162031402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41202 + ... + 44962.

Almost surely, 2^162031402 is an apocalyptic number.

162031402 is a deficient number, since it is larger than the sum of its proper divisors (99939230).

162031402 is a wasteful number, since it uses less digits than its factorization.

162031402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 162031402 is about 12729.1555886477. The cubic root of 162031402 is about 545.1713985499.

Adding to 162031402 its reverse (204130261), we get a palindrome (366161663).

The spelling of 162031402 in words is "one hundred sixty-two million, thirty-one thousand, four hundred two".