9427480331 has 4 divisors (see below), whose sum is σ = 9428282952. Its totient is φ = 9426677712.

The previous prime is 9427480313. The next prime is 9427480367. The reversal of 9427480331 is 1330847249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1330847249 = 41 ⋅32459689.

It is a cyclic number.

It is not a de Polignac number, because 9427480331 - 2⁶ = 9427480267 is a prime.

It is a super-2 number, since 2×9427480331² (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 (9427480301) 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, 383426 + ... + 407271.

It is an arithmetic number, because the mean of its divisors is an integer number (2357070738).

Almost surely, 2^9427480331 is an apocalyptic number.

9427480331 is a deficient number, since it is larger than the sum of its proper divisors (802621).

9427480331 is a wasteful number, since it uses less digits than its factorization.

9427480331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802620.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 9427480331 is about 97095.2127089693. The cubic root of 9427480331 is about 2112.5088887550.

The spelling of 9427480331 in words is "nine billion, four hundred twenty-seven million, four hundred eighty thousand, three hundred thirty-one".