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313213030 = 25137973023
BaseRepresentation
bin10010101010110…
…100000001100110
3210211100212111121
4102222310001212
51120140304110
651025124154
710522160344
oct2252640146
9724325447
10313213030
11150889649
1288a8965a
134cb75c70
142d852994
151c76dcda
hex12ab4066

313213030 has 32 divisors (see below), whose sum is σ = 608114304. Its totient is φ = 115464576.

The previous prime is 313213027. The next prime is 313213051. The reversal of 313213030 is 30312313.

It is a junction number, because it is equal to n+sod(n) for n = 313212995 and 313213013.

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, 102099 + ... + 105121.

It is an arithmetic number, because the mean of its divisors is an integer number (19003572).

Almost surely, 2313213030 is an apocalyptic number.

313213030 is a deficient number, since it is larger than the sum of its proper divisors (294901274).

313213030 is a wasteful number, since it uses less digits than its factorization.

313213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 313213030 is about 17697.8255726516. The cubic root of 313213030 is about 679.1201350852.

Adding to 313213030 its reverse (30312313), we get a palindrome (343525343).

The spelling of 313213030 in words is "three hundred thirteen million, two hundred thirteen thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 797 1594 3023 3985 6046 7970 10361 15115 20722 30230 39299 51805 78598 103610 196495 392990 2409331 4818662 12046655 24093310 31321303 62642606 156606515 313213030