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2131113335 = 513593171753
BaseRepresentation
bin111111100000110…
…0011010101110111
312111112001202220112
41333001203111313
513331031111320
6551245053235
7103545110261
oct17701432567
95445052815
102131113335
119a3a59a9a
124b585721b
1327c692810
14163068b31
15c7160ec5
hex7f063577

2131113335 has 32 divisors (see below), whose sum is σ = 2811170880. Its totient is φ = 1541311488.

The previous prime is 2131113331. The next prime is 2131113349. The reversal of 2131113335 is 5333111312.

It is a cyclic number.

It is not a de Polignac number, because 2131113335 - 22 = 2131113331 is a prime.

It is a super-2 number, since 2×21311133352 = 9083288093229644450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2131113335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131113331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1214819 + ... + 1216571.

It is an arithmetic number, because the mean of its divisors is an integer number (87849090).

Almost surely, 22131113335 is an apocalyptic number.

2131113335 is a deficient number, since it is larger than the sum of its proper divisors (680057545).

2131113335 is a wasteful number, since it uses less digits than its factorization.

2131113335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its digits is 810, while the sum is 23.

The square root of 2131113335 is about 46163.9830928831. The cubic root of 2131113335 is about 1286.8724859865.

Adding to 2131113335 its reverse (5333111312), we get a palindrome (7464224647).

The spelling of 2131113335 in words is "two billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred thirty-five".

Divisors: 1 5 13 59 65 295 317 767 1585 1753 3835 4121 8765 18703 20605 22789 93515 103427 113945 243139 517135 555701 1215695 1344551 2778505 6722755 7224113 32786359 36120565 163931795 426222667 2131113335