31113302133 has 8 divisors (see below), whose sum is σ = 42068690496. Its totient is φ = 20450057600.

The previous prime is 31113302119. The next prime is 31113302149. The reversal of 31113302133 is 33120331113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31113302133 - 2¹⁶ = 31113236597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113302173) 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, 73035708 + ... + 73036133.

It is an arithmetic number, because the mean of its divisors is an integer number (5258586312).

Almost surely, 2^31113302133 is an apocalyptic number.

It is an amenable number.

31113302133 is a deficient number, since it is larger than the sum of its proper divisors (10955388363).

31113302133 is a wasteful number, since it uses less digits than its factorization.

31113302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146071915.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31113302133 its reverse (33120331113), we get a palindrome (64233633246).

The spelling of 31113302133 in words is "thirty-one billion, one hundred thirteen million, three hundred two thousand, one hundred thirty-three".