9140247431 has 4 divisors (see below), whose sum is σ = 10445997072. Its totient is φ = 7834497792.

The previous prime is 9140247419. The next prime is 9140247433. The reversal of 9140247431 is 1347420419.

It is a happy number.

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 9140247431 - 2¹⁰ = 9140246407 is a prime.

It is a super-2 number, since 2×9140247431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9140247391 and 9140247400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140247433) 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, 652874810 + ... + 652874823.

It is an arithmetic number, because the mean of its divisors is an integer number (2611499268).

Almost surely, 2^9140247431 is an apocalyptic number.

9140247431 is a deficient number, since it is larger than the sum of its proper divisors (1305749641).

9140247431 is a wasteful number, since it uses less digits than its factorization.

9140247431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305749640.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 9140247431 is about 95604.6412628592. The cubic root of 9140247431 is about 2090.8328625851.

The spelling of 9140247431 in words is "nine billion, one hundred forty million, two hundred forty-seven thousand, four hundred thirty-one".