31003430241 has 8 divisors (see below), whose sum is σ = 47243322304. Its totient is φ = 17716245840.

The previous prime is 31003430233. The next prime is 31003430251. The reversal of 31003430241 is 14203430013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31003430241 - 2³ = 31003430233 is a prime.

It is a super-2 number, since 2×31003430241² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1476353821 = 31003430241 / (3 + 1 + 0 + 0 + 3 + 4 + 3 + 0 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31003430251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738176890 + ... + 738176931.

It is an arithmetic number, because the mean of its divisors is an integer number (5905415288).

Almost surely, 2^31003430241 is an apocalyptic number.

It is an amenable number.

31003430241 is a deficient number, since it is larger than the sum of its proper divisors (16239892063).

31003430241 is a wasteful number, since it uses less digits than its factorization.

31003430241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476353831.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31003430241 its reverse (14203430013), we get a palindrome (45206860254).

The spelling of 31003430241 in words is "thirty-one billion, three million, four hundred thirty thousand, two hundred forty-one".