31133003386 has 16 divisors (see below), whose sum is σ = 47850721128. Its totient is φ = 15182956800.

The previous prime is 31133003383. The next prime is 31133003401. The reversal of 31133003386 is 68330033113.

It can be written as a sum of positive squares in 4 ways, for example, as 12104180361 + 19028823025 = 110019^2 + 137945^2 .

It is not an unprimeable number, because it can be changed into a prime (31133003383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289246 + ... + 382006.

Almost surely, 2^31133003386 is an apocalyptic number.

31133003386 is a deficient number, since it is larger than the sum of its proper divisors (16717717742).

31133003386 is a wasteful number, since it uses less digits than its factorization.

31133003386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96897.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 31133003386 its reverse (68330033113), we get a palindrome (99463036499).

The spelling of 31133003386 in words is "thirty-one billion, one hundred thirty-three million, three thousand, three hundred eighty-six".