31150115323201 has 12 divisors (see below), whose sum is σ = 36732229926852. Its totient is φ = 26334344066688.

The previous prime is 31150115323193. The next prime is 31150115323237. The reversal of 31150115323201 is 10232351105113.

It can be written as a sum of positive squares in 2 ways, for example, as 21148740698176 + 10001374625025 = 4598776^2 + 3162495^2 .

It is not a de Polignac number, because 31150115323201 - 2³ = 31150115323193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31150115323201.

It is not an unprimeable number, because it can be changed into a prime (31150115321201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4354219980 + ... + 4354227133.

It is an arithmetic number, because the mean of its divisors is an integer number (3061019160571).

Almost surely, 2^{31150115323201} is an apocalyptic number.

It is an amenable number.

31150115323201 is a deficient number, since it is larger than the sum of its proper divisors (5582114603651).

31150115323201 is an equidigital number, since it uses as much as digits as its factorization.

31150115323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708447200 (or 8708447193 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 31150115323201 its reverse (10232351105113), we get a palindrome (41382466428314).

The spelling of 31150115323201 in words is "thirty-one trillion, one hundred fifty billion, one hundred fifteen million, three hundred twenty-three thousand, two hundred one".