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313303100 = 2252112711051
BaseRepresentation
bin10010101011001…
…010000000111100
3210211112110001112
4102223022000330
51120201144400
651031101152
710523014055
oct2253120074
9724473045
10313303100
11150940290
1288b117b8
134cba7c66
142d87772c
151c78a835
hex12aca03c

313303100 has 72 divisors (see below), whose sum is σ = 745118976. Its totient is φ = 113400000.

The previous prime is 313303097. The next prime is 313303121. The reversal of 313303100 is 1303313.

It is a super-2 number, since 2×3133031002 = 196317664939220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297575 + ... + 298625.

Almost surely, 2313303100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313303100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372559488).

313303100 is an abundant number, since it is smaller than the sum of its proper divisors (431815876).

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

313303100 is a wasteful number, since it uses less digits than its factorization.

313303100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 313303100 is about 17700.3700526288. The cubic root of 313303100 is about 679.1852265536.

Adding to 313303100 its reverse (1303313), we get a palindrome (314606413).

The spelling of 313303100 in words is "three hundred thirteen million, three hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 271 275 542 550 1051 1084 1100 1355 2102 2710 2981 4204 5255 5420 5962 6775 10510 11561 11924 13550 14905 21020 23122 26275 27100 29810 46244 52550 57805 59620 74525 105100 115610 149050 231220 284821 289025 298100 569642 578050 1139284 1156100 1424105 2848210 3133031 5696420 6266062 7120525 12532124 14241050 15665155 28482100 31330310 62660620 78325775 156651550 313303100