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313190230 = 2571441113
BaseRepresentation
bin10010101010101…
…110011101010110
3210211022201020011
4102222232131112
51120134041410
651024430434
710522034023
oct2252563526
9724281204
10313190230
11150873501
1288a7841a
134cb68782
142d84854a
151c76718a
hex12aae756

313190230 has 16 divisors (see below), whose sum is σ = 571683744. Its totient is φ = 123511360.

The previous prime is 313190203. The next prime is 313190233. The reversal of 313190230 is 32091313.

313190230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313190233) 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, 219847 + ... + 221266.

It is an arithmetic number, because the mean of its divisors is an integer number (35730234).

Almost surely, 2313190230 is an apocalyptic number.

313190230 is a deficient number, since it is larger than the sum of its proper divisors (258493514).

313190230 is a wasteful number, since it uses less digits than its factorization.

313190230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441191.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 313190230 is about 17697.1814139992. The cubic root of 313190230 is about 679.1036560828.

The spelling of 313190230 in words is "three hundred thirteen million, one hundred ninety thousand, two hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 441113 882226 2205565 4411130 31319023 62638046 156595115 313190230