31350320523231 has 8 divisors (see below), whose sum is σ = 41949183334704. Its totient is φ = 20825835696960.

The previous prime is 31350320523169. The next prime is 31350320523289. The reversal of 31350320523231 is 13232502305313.

It is a happy number.

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

It is not a de Polignac number, because 31350320523231 - 2³⁰ = 31349246781407 is a prime.

It is a super-2 number, since 2×31350320523231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31350320523192 and 31350320523201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31350320523931) 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, 18594495316 + ... + 18594497001.

It is an arithmetic number, because the mean of its divisors is an integer number (5243647916838).

Almost surely, 2^{31350320523231} is an apocalyptic number.

31350320523231 is a deficient number, since it is larger than the sum of its proper divisors (10598862811473).

31350320523231 is a wasteful number, since it uses less digits than its factorization.

31350320523231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37188992601.

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 31350320523231 its reverse (13232502305313), we get a palindrome (44582822828544).

The spelling of 31350320523231 in words is "thirty-one trillion, three hundred fifty billion, three hundred twenty million, five hundred twenty-three thousand, two hundred thirty-one".