31113331201 has 8 divisors (see below), whose sum is σ = 33161698944. Its totient is φ = 29089204800.

The previous prime is 31113331189. The next prime is 31113331219. The reversal of 31113331201 is 10213331113.

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 31113331201 - 2⁵ = 31113331169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31116331201) 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 in 7 ways as a sum of consecutive naturals, for example, 6057685 + ... + 6062818.

It is an arithmetic number, because the mean of its divisors is an integer number (4145212368).

Almost surely, 2^31113331201 is an apocalyptic number.

It is an amenable number.

31113331201 is a deficient number, since it is larger than the sum of its proper divisors (2048367743).

31113331201 is a wasteful number, since it uses less digits than its factorization.

31113331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120671.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31113331201 its reverse (10213331113), we get a palindrome (41326662314).

The spelling of 31113331201 in words is "thirty-one billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred one".