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313101313 = 72910115271
BaseRepresentation
bin10010101010011…
…000110000000001
3210211011012020221
4102222120300001
51120123220223
651022503041
710521213550
oct2252306001
9724135227
10313101313
11150812718
1288a34a81
134cb37165
142d823d97
151c74ab5d
hex12a98c01

313101313 has 16 divisors (see below), whose sum is σ = 373858560. Its totient is φ = 256536000.

The previous prime is 313101311. The next prime is 313101319.

313101313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 313101313 - 21 = 313101311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313101311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12868 + ... + 28138.

It is an arithmetic number, because the mean of its divisors is an integer number (23366160).

Almost surely, 2313101313 is an apocalyptic number.

It is an amenable number.

313101313 is a deficient number, since it is larger than the sum of its proper divisors (60757247).

313101313 is a wasteful number, since it uses less digits than its factorization.

313101313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15408.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 313101313 is about 17694.6690559615. The cubic root of 313101313 is about 679.0393824993.

It can be divided in two parts, 31310 and 1313, that added together give a palindrome (32623).

The spelling of 313101313 in words is "three hundred thirteen million, one hundred one thousand, three hundred thirteen".

Divisors: 1 7 29 101 203 707 2929 15271 20503 106897 442859 1542371 3100013 10796597 44728759 313101313