631113411 has 8 divisors (see below), whose sum is σ = 841611600. Its totient is φ = 420678752.

The previous prime is 631113361. The next prime is 631113421. The reversal of 631113411 is 114311136.

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 631113411 - 2¹¹ = 631111363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631113421) 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, 17065 + ... + 39413.

It is an arithmetic number, because the mean of its divisors is an integer number (105201450).

Almost surely, 2^631113411 is an apocalyptic number.

631113411 is a deficient number, since it is larger than the sum of its proper divisors (210498189).

631113411 is a wasteful number, since it uses less digits than its factorization.

631113411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31765.

The product of its digits is 216, while the sum is 21.

The square root of 631113411 is about 25121.9706830495. The cubic root of 631113411 is about 857.7666094348.

Adding to 631113411 its reverse (114311136), we get a palindrome (745424547).

The spelling of 631113411 in words is "six hundred thirty-one million, one hundred thirteen thousand, four hundred eleven".