7122013331 has 6 divisors (see below), whose sum is σ = 7291495260. Its totient is φ = 6956383308.

The previous prime is 7122013321. The next prime is 7122013351. The reversal of 7122013331 is 1333102217.

7122013331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7122013331 - 2⁶ = 7122013267 is a prime.

It is a super-2 number, since 2×7122013331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7122013297 and 7122013306.

It is not an unprimeable number, because it can be changed into a prime (7122013321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1924061 + ... + 1927758.

It is an arithmetic number, because the mean of its divisors is an integer number (1215249210).

Almost surely, 2^7122013331 is an apocalyptic number.

7122013331 is a deficient number, since it is larger than the sum of its proper divisors (169481929).

7122013331 is an equidigital number, since it uses as much as digits as its factorization.

7122013331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851905 (or 3851862 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 7122013331 is about 84392.0217259902. The cubic root of 7122013331 is about 1923.9816579085.

Adding to 7122013331 its reverse (1333102217), we get a palindrome (8455115548).

The spelling of 7122013331 in words is "seven billion, one hundred twenty-two million, thirteen thousand, three hundred thirty-one".