31304019241 has 4 divisors (see below), whose sum is σ = 34149839184. Its totient is φ = 28458199300.

The previous prime is 31304019193. The next prime is 31304019277. The reversal of 31304019241 is 14291040313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31304019241 - 2⁹ = 31304018729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31304019841) 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, 1422909955 + ... + 1422909976.

It is an arithmetic number, because the mean of its divisors is an integer number (8537459796).

Almost surely, 2^31304019241 is an apocalyptic number.

It is an amenable number.

31304019241 is a deficient number, since it is larger than the sum of its proper divisors (2845819943).

31304019241 is a wasteful number, since it uses less digits than its factorization.

31304019241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845819942.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 31304019241 its reverse (14291040313), we get a palindrome (45595059554).

The spelling of 31304019241 in words is "thirty-one billion, three hundred four million, nineteen thousand, two hundred forty-one".