31240244204213 has 8 divisors (see below), whose sum is σ = 34084028547360. Its totient is φ = 28397086884880.

The previous prime is 31240244204129. The next prime is 31240244204231.

It is a happy number.

31240244204213 is nontrivially palindromic in base 10.

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 31240244204213 - 2¹⁴ = 31240244187829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31240244204213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240244200213) 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, 156651770 + ... + 156851067.

It is an arithmetic number, because the mean of its divisors is an integer number (4260503568420).

Almost surely, 2^{31240244204213} is an apocalyptic number.

It is an amenable number.

31240244204213 is a deficient number, since it is larger than the sum of its proper divisors (2843784343147).

31240244204213 is a wasteful number, since it uses less digits than its factorization.

31240244204213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313511907.

The product of its (nonzero) digits is 36864, while the sum is 32.

It can be divided in two parts, 3124024 and 4204213, that added together give a palindrome (7328237).

The spelling of 31240244204213 in words is "thirty-one trillion, two hundred forty billion, two hundred forty-four million, two hundred four thousand, two hundred thirteen".