31130132334 has 32 divisors (see below), whose sum is σ = 71180736000. Its totient is φ = 8891055072.

The previous prime is 31130132333. The next prime is 31130132353. The reversal of 31130132334 is 43323103113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130132333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19354 + ... + 250269.

It is an arithmetic number, because the mean of its divisors is an integer number (2224398000).

Almost surely, 2^31130132334 is an apocalyptic number.

31130132334 is an abundant number, since it is smaller than the sum of its proper divisors (40050603666).

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

31130132334 is a wasteful number, since it uses less digits than its factorization.

31130132334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272384.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31130132334 its reverse (43323103113), we get a palindrome (74453235447).

The spelling of 31130132334 in words is "thirty-one billion, one hundred thirty million, one hundred thirty-two thousand, three hundred thirty-four".