31130303332 has 6 divisors (see below), whose sum is σ = 54478030838. Its totient is φ = 15565151664.

The previous prime is 31130303291. The next prime is 31130303339. The reversal of 31130303332 is 23330303113.

It can be written as a sum of positive squares in only one way, i.e., 22220076096 + 8910227236 = 149064^2 + 94394^2 .

It is not an unprimeable number, because it can be changed into a prime (31130303339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3891287913 + ... + 3891287920.

Almost surely, 2^31130303332 is an apocalyptic number.

It is an amenable number.

31130303332 is a deficient number, since it is larger than the sum of its proper divisors (23347727506).

31130303332 is a wasteful number, since it uses less digits than its factorization.

31130303332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782575837 (or 7782575835 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 31130303332 its reverse (23330303113), we get a palindrome (54460606445).

The spelling of 31130303332 in words is "thirty-one billion, one hundred thirty million, three hundred three thousand, three hundred thirty-two".