161431114 has 16 divisors (see below), whose sum is σ = 263215008. Its totient is φ = 73809072.

The previous prime is 161431093. The next prime is 161431129. The reversal of 161431114 is 411134161.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26232 + ... + 31795.

It is an arithmetic number, because the mean of its divisors is an integer number (16450938).

Almost surely, 2^161431114 is an apocalyptic number.

161431114 is a deficient number, since it is larger than the sum of its proper divisors (101783894).

161431114 is a wasteful number, since it uses less digits than its factorization.

161431114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58149.

The product of its digits is 288, while the sum is 22.

The square root of 161431114 is about 12705.5544546470. The cubic root of 161431114 is about 544.4973217590.

Adding to 161431114 its reverse (411134161), we get a palindrome (572565275).

The spelling of 161431114 in words is "one hundred sixty-one million, four hundred thirty-one thousand, one hundred fourteen".