31503034241 has 8 divisors (see below), whose sum is σ = 37164870144. Its totient is φ = 26131548960.

The previous prime is 31503034217. The next prime is 31503034259. The reversal of 31503034241 is 14243030513.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31503034241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31503034241.

It is not an unprimeable number, because it can be changed into a prime (31503034261) 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, 72587420 + ... + 72587853.

It is an arithmetic number, because the mean of its divisors is an integer number (4645608768).

Almost surely, 2^31503034241 is an apocalyptic number.

31503034241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31503034241 is a deficient number, since it is larger than the sum of its proper divisors (5661835903).

31503034241 is a wasteful number, since it uses less digits than its factorization.

31503034241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145175311.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 31503034241 its reverse (14243030513), we get a palindrome (45746064754).

The spelling of 31503034241 in words is "thirty-one billion, five hundred three million, thirty-four thousand, two hundred forty-one".