31120301332 has 6 divisors (see below), whose sum is σ = 54460527338. Its totient is φ = 15560150664.

The previous prime is 31120301293. The next prime is 31120301339. The reversal of 31120301332 is 23310302113.

It can be written as a sum of positive squares in only one way, i.e., 16919765776 + 14200535556 = 130076^2 + 119166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120301339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3890037663 + ... + 3890037670.

Almost surely, 2^31120301332 is an apocalyptic number.

It is an amenable number.

31120301332 is a deficient number, since it is larger than the sum of its proper divisors (23340226006).

31120301332 is a wasteful number, since it uses less digits than its factorization.

31120301332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780075337 (or 7780075335 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31120301332 its reverse (23310302113), we get a palindrome (54430603445).

The spelling of 31120301332 in words is "thirty-one billion, one hundred twenty million, three hundred one thousand, three hundred thirty-two".