2631011217 has 8 divisors (see below), whose sum is σ = 3514501440. Its totient is φ = 1750764240.

The previous prime is 2631011189. The next prime is 2631011237. The reversal of 2631011217 is 7121101362.

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

It is not a de Polignac number, because 2631011217 - 2¹⁴ = 2630994833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2631011237) 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, 808917 + ... + 812162.

It is an arithmetic number, because the mean of its divisors is an integer number (439312680).

Almost surely, 2^2631011217 is an apocalyptic number.

It is an amenable number.

2631011217 is a deficient number, since it is larger than the sum of its proper divisors (883490223).

2631011217 is a wasteful number, since it uses less digits than its factorization.

2631011217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621623.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2631011217 is about 51293.3837546325. The cubic root of 2631011217 is about 1380.5142690519.

Adding to 2631011217 its reverse (7121101362), we get a palindrome (9752112579).

The spelling of 2631011217 in words is "two billion, six hundred thirty-one million, eleven thousand, two hundred seventeen".