31122034013 has 8 divisors (see below), whose sum is σ = 35574541632. Its totient is φ = 26671152096.

The previous prime is 31122034003. The next prime is 31122034033. The reversal of 31122034013 is 31043022113.

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 31122034013 - 2¹⁰ = 31122032989 is a prime.

It is a super-2 number, since 2×31122034013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122034003) 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, 365120 + ... + 442217.

It is an arithmetic number, because the mean of its divisors is an integer number (4446817704).

Almost surely, 2^31122034013 is an apocalyptic number.

It is an amenable number.

31122034013 is a deficient number, since it is larger than the sum of its proper divisors (4452507619).

31122034013 is an equidigital number, since it uses as much as digits as its factorization.

31122034013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812851.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31122034013 its reverse (31043022113), we get a palindrome (62165056126).

The spelling of 31122034013 in words is "thirty-one billion, one hundred twenty-two million, thirty-four thousand, thirteen".