31115045253241 has 8 divisors (see below), whose sum is σ = 31314022739720. Its totient is φ = 30916077798528.

The previous prime is 31115045253239. The next prime is 31115045253307. The reversal of 31115045253241 is 14235254051113.

It can be written as a sum of positive squares in 4 ways, for example, as 10130400443241 + 20984644810000 = 3182829^2 + 4580900^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31115045253241 - 2¹ = 31115045253239 is a prime.

It is a super-2 number, since 2×31115045253241² (a number of 28 digits) contains 22 as substring.

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 31115045253241.

It is not an unprimeable number, because it can be changed into a prime (31115015253241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3765205 + ... + 8741101.

It is an arithmetic number, because the mean of its divisors is an integer number (3914252842465).

Almost surely, 2^{31115045253241} is an apocalyptic number.

It is an amenable number.

31115045253241 is a deficient number, since it is larger than the sum of its proper divisors (198977486479).

31115045253241 is a wasteful number, since it uses less digits than its factorization.

31115045253241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015883.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 31115045253241 in words is "thirty-one trillion, one hundred fifteen billion, forty-five million, two hundred fifty-three thousand, two hundred forty-one".