31350320523241 has 4 divisors (see below), whose sum is σ = 31358311942032. Its totient is φ = 31342329104452.

The previous prime is 31350320523169. The next prime is 31350320523289. The reversal of 31350320523241 is 14232502305313.

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 a de Polignac number, because none of the positive numbers 2^k-31350320523241 is a prime.

It is a super-2 number, since 2×31350320523241² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31350320523197 and 31350320523206.

It is not an unprimeable number, because it can be changed into a prime (31350320520241) 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, 3995703511 + ... + 3995711356.

It is an arithmetic number, because the mean of its divisors is an integer number (7839577985508).

Almost surely, 2^{31350320523241} is an apocalyptic number.

It is an amenable number.

31350320523241 is a deficient number, since it is larger than the sum of its proper divisors (7991418791).

31350320523241 is an equidigital number, since it uses as much as digits as its factorization.

31350320523241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991418790.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 31350320523241 its reverse (14232502305313), we get a palindrome (45582822828554).

The spelling of 31350320523241 in words is "thirty-one trillion, three hundred fifty billion, three hundred twenty million, five hundred twenty-three thousand, two hundred forty-one".