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2131103310 = 235710148111
BaseRepresentation
bin111111100000110…
…0000111001001110
312111112001021011020
41333001200321032
513331030301220
6551244535010
7103545036120
oct17701407116
95445037136
102131103310
119a3a52506
124b5851466
1327c68b09b
14163065210
15c715d040
hex7f060e4e

2131103310 has 32 divisors (see below), whose sum is σ = 5845312512. Its totient is φ = 487109280.

The previous prime is 2131103287. The next prime is 2131103321. The reversal of 2131103310 is 133011312.

It is a super-2 number, since 2×21311033102 = 9083202635785912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2131103310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5073846 + ... + 5074265.

It is an arithmetic number, because the mean of its divisors is an integer number (182666016).

Almost surely, 22131103310 is an apocalyptic number.

2131103310 is an abundant number, since it is smaller than the sum of its proper divisors (3714209202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131103310 is a wasteful number, since it uses less digits than its factorization.

2131103310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148128.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2131103310 is about 46163.8745124367. The cubic root of 2131103310 is about 1286.8704681184.

Adding to 2131103310 its reverse (133011312), we get a palindrome (2264114622).

The spelling of 2131103310 in words is "two billion, one hundred thirty-one million, one hundred three thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 10148111 20296222 30444333 50740555 60888666 71036777 101481110 142073554 152221665 213110331 304443330 355183885 426220662 710367770 1065551655 2131103310