31133243404 has 24 divisors (see below), whose sum is σ = 54788413680. Its totient is φ = 15479575296.

The previous prime is 31133243377. The next prime is 31133243413. The reversal of 31133243404 is 40434233113.

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, 758152 + ... + 798160.

It is an arithmetic number, because the mean of its divisors is an integer number (2282850570).

Almost surely, 2^31133243404 is an apocalyptic number.

It is an amenable number.

31133243404 is a deficient number, since it is larger than the sum of its proper divisors (23655170276).

31133243404 is a wasteful number, since it uses less digits than its factorization.

31133243404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41097 (or 41095 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31133243404 its reverse (40434233113), we get a palindrome (71567476517).

The spelling of 31133243404 in words is "thirty-one billion, one hundred thirty-three million, two hundred forty-three thousand, four hundred four".