631032042140213 has 10 divisors (see below), whose sum is σ = 736160245748214. Its totient is φ = 540884607546696.

The previous prime is 631032042140207. The next prime is 631032042140231. The reversal of 631032042140213 is 312041240230136.

It can be written as a sum of positive squares in only one way, i.e., 576722482412209 + 54309559728004 = 24015047^2 + 7369502^2 .

It is not a de Polignac number, because 631032042140213 - 2¹⁶ = 631032042074677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 631032042140213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631032042140713) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 131410252106 + ... + 131410256907.

Almost surely, 2^{631032042140213} is an apocalyptic number.

It is an amenable number.

631032042140213 is a deficient number, since it is larger than the sum of its proper divisors (105128203608001).

631032042140213 is an frugal number, since it uses more digits than its factorization.

631032042140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262820509041 (or 262820509020 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 631032042140213 its reverse (312041240230136), we get a palindrome (943073282370349).

The spelling of 631032042140213 in words is "six hundred thirty-one trillion, thirty-two billion, forty-two million, one hundred forty thousand, two hundred thirteen".