15311364241 has 4 divisors (see below), whose sum is σ = 15408889012. Its totient is φ = 15213839472.

The previous prime is 15311364203. The next prime is 15311364283. The reversal of 15311364241 is 14246311351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8556990016 + 6754374225 = 92504^2 + 82185^2 .

It is a cyclic number.

It is not a de Polignac number, because 15311364241 - 2¹⁷ = 15311233169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15311304241) 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, 48762150 + ... + 48762463.

It is an arithmetic number, because the mean of its divisors is an integer number (3852222253).

Almost surely, 2^15311364241 is an apocalyptic number.

It is an amenable number.

15311364241 is a deficient number, since it is larger than the sum of its proper divisors (97524771).

15311364241 is an equidigital number, since it uses as much as digits as its factorization.

15311364241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97524770.

The product of its digits is 8640, while the sum is 31.

Adding to 15311364241 its reverse (14246311351), we get a palindrome (29557675592).

The spelling of 15311364241 in words is "fifteen billion, three hundred eleven million, three hundred sixty-four thousand, two hundred forty-one".