31113303332 has 24 divisors (see below), whose sum is σ = 54890012856. Its totient is φ = 15430860288.

The previous prime is 31113303313. The next prime is 31113303343. The reversal of 31113303332 is 23330331113.

It can be written as a sum of positive squares in 4 ways, for example, as 6754209856 + 24359093476 = 82184^2 + 156074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31113303298 and 31113303307.

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, 247718 + ... + 351554.

It is an arithmetic number, because the mean of its divisors is an integer number (2287083869).

Almost surely, 2^31113303332 is an apocalyptic number.

It is an amenable number.

31113303332 is a deficient number, since it is larger than the sum of its proper divisors (23776709524).

31113303332 is a wasteful number, since it uses less digits than its factorization.

31113303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104447 (or 104445 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 31113303332 its reverse (23330331113), we get a palindrome (54443634445).

The spelling of 31113303332 in words is "thirty-one billion, one hundred thirteen million, three hundred three thousand, three hundred thirty-two".