9102742331 has 4 divisors (see below), whose sum is σ = 9348762432. Its totient is φ = 8856722232.

The previous prime is 9102742321. The next prime is 9102742351. The reversal of 9102742331 is 1332472019.

9102742331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9102742331 is a prime.

It is a super-2 number, since 2×9102742331² (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 (9102742321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123009995 + ... + 123010068.

It is an arithmetic number, because the mean of its divisors is an integer number (2337190608).

Almost surely, 2^9102742331 is an apocalyptic number.

9102742331 is a deficient number, since it is larger than the sum of its proper divisors (246020101).

9102742331 is a wasteful number, since it uses less digits than its factorization.

9102742331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246020100.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 9102742331 is about 95408.2927789823. The cubic root of 9102742331 is about 2087.9691765578.

The spelling of 9102742331 in words is "nine billion, one hundred two million, seven hundred forty-two thousand, three hundred thirty-one".