Search a number
-
+
31311310102 = 244633507877
BaseRepresentation
bin11101001010010011…
…001010110100010110
32222211010202100122221
4131022103022310112
51003111143410402
622214554012554
72155631513242
oct351223126426
988733670587
1031311310102
1112308466796
12609a11715a
132c4cc60037
141730671422
15c33d00337
hex74a4cad16

31311310102 has 8 divisors (see below), whose sum is σ = 46977502176. Its totient is φ = 15652142712.

The previous prime is 31311310033. The next prime is 31311310111. The reversal of 31311310102 is 20101311313.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745013 + ... + 1762864.

It is an arithmetic number, because the mean of its divisors is an integer number (5872187772).

Almost surely, 231311310102 is an apocalyptic number.

31311310102 is a deficient number, since it is larger than the sum of its proper divisors (15666192074).

31311310102 is a wasteful number, since it uses less digits than its factorization.

31311310102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512342.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31311310102 its reverse (20101311313), we get a palindrome (51412621415).

The spelling of 31311310102 in words is "thirty-one billion, three hundred eleven million, three hundred ten thousand, one hundred two".

Divisors: 1 2 4463 8926 3507877 7015754 15655655051 31311310102