161234310 has 32 divisors (see below), whose sum is σ = 387428832. Its totient is φ = 42944000.

The previous prime is 161234309. The next prime is 161234329. The reversal of 161234310 is 13432161.

161234310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161234310² = 51993005442352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26560 + ... + 32060.

It is an arithmetic number, because the mean of its divisors is an integer number (12107151).

Almost surely, 2^161234310 is an apocalyptic number.

161234310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161234310 is an abundant number, since it is smaller than the sum of its proper divisors (226194522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161234310 is a wasteful number, since it uses less digits than its factorization.

161234310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 161234310 is about 12697.8072910247. The cubic root of 161234310 is about 544.2759624756.

Adding to 161234310 its reverse (13432161), we get a palindrome (174666471).

The spelling of 161234310 in words is "one hundred sixty-one million, two hundred thirty-four thousand, three hundred ten".