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311002214430 = 23523538504299
BaseRepresentation
bin1001000011010010010…
…11010011000000011110
31002201202021112102121110
410201221023103000132
520043413031330210
6354512240442450
731316632130265
oct4415113230036
91081667472543
10311002214430
1110a9937078a6
1250336019426
132343435016b
14110a442b5dc
158153539420
hex48692d301e

311002214430 has 64 divisors (see below), whose sum is σ = 793553241600. Its totient is φ = 77831335296.

The previous prime is 311002214423. The next prime is 311002214443. The reversal of 311002214430 is 34412200113.

It is a junction number, because it is equal to n+sod(n) for n = 311002214397 and 311002214406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4215580 + ... + 4288719.

It is an arithmetic number, because the mean of its divisors is an integer number (12399269400).

Almost surely, 2311002214430 is an apocalyptic number.

311002214430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311002214430 is an abundant number, since it is smaller than the sum of its proper divisors (482551027170).

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

311002214430 is a wasteful number, since it uses less digits than its factorization.

311002214430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504385.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 311002214430 its reverse (34412200113), we get a palindrome (345414414543).

The spelling of 311002214430 in words is "three hundred eleven billion, two million, two hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 53 69 106 115 138 159 230 265 318 345 530 690 795 1219 1590 2438 3657 6095 7314 12190 18285 36570 8504299 17008598 25512897 42521495 51025794 85042990 127564485 195598877 255128970 391197754 450727847 586796631 901455694 977994385 1173593262 1352183541 1955988770 2253639235 2704367082 2933983155 4507278470 5867966310 6760917705 10366740481 13521835410 20733480962 31100221443 51833702405 62200442886 103667404810 155501107215 311002214430