9742311331 has 4 divisors (see below), whose sum is σ = 9742574592. Its totient is φ = 9742048072.

The previous prime is 9742311289. The next prime is 9742311361. The reversal of 9742311331 is 1331132479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9742311331 - 2¹³ = 9742303139 is a prime.

It is a super-2 number, since 2×9742311331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9742311361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64816 + ... + 153901.

It is an arithmetic number, because the mean of its divisors is an integer number (2435643648).

Almost surely, 2^9742311331 is an apocalyptic number.

9742311331 is a deficient number, since it is larger than the sum of its proper divisors (263261).

9742311331 is a wasteful number, since it uses less digits than its factorization.

9742311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263260.

The product of its digits is 13608, while the sum is 34.

The square root of 9742311331 is about 98703.1475232680. The cubic root of 9742311331 is about 2135.7676366202.

The spelling of 9742311331 in words is "nine billion, seven hundred forty-two million, three hundred eleven thousand, three hundred thirty-one".