31542302234 has 16 divisors (see below), whose sum is σ = 48632781672. Its totient is φ = 15336642048.

The previous prime is 31542302221. The next prime is 31542302237. The reversal of 31542302234 is 43220324513.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26979705025 + 4562597209 = 164255^2 + 67547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31542302197 and 31542302206.

It is not an unprimeable number, because it can be changed into a prime (31542302237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304699 + ... + 1328654.

Almost surely, 2^31542302234 is an apocalyptic number.

31542302234 is a deficient number, since it is larger than the sum of its proper divisors (17090479438).

31542302234 is a wasteful number, since it uses less digits than its factorization.

31542302234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633521.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 31542302234 its reverse (43220324513), we get a palindrome (74762626747).

The spelling of 31542302234 in words is "thirty-one billion, five hundred forty-two million, three hundred two thousand, two hundred thirty-four".