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313130773 = 1943487787
BaseRepresentation
bin10010101010011…
…111111100010101
3210211012200200001
4102222133330111
51120130141043
651023251301
710521365464
oct2252377425
9724180601
10313130773
1115083286a
1288a49b31
134cb476a7
142d8309db
151c75474d
hex12a9ff15

313130773 has 16 divisors (see below), whose sum is σ = 338398720. Its totient is φ = 288788976.

The previous prime is 313130771. The next prime is 313130789. The reversal of 313130773 is 377031313.

It is a cyclic number.

It is not a de Polignac number, because 313130773 - 21 = 313130771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313130771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397486 + ... + 398272.

It is an arithmetic number, because the mean of its divisors is an integer number (21149920).

Almost surely, 2313130773 is an apocalyptic number.

It is an amenable number.

313130773 is a deficient number, since it is larger than the sum of its proper divisors (25267947).

313130773 is a wasteful number, since it uses less digits than its factorization.

313130773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 3969, while the sum is 28.

The square root of 313130773 is about 17695.5014904919. The cubic root of 313130773 is about 679.0606789849.

The spelling of 313130773 in words is "three hundred thirteen million, one hundred thirty thousand, seven hundred seventy-three".

Divisors: 1 19 43 487 787 817 9253 14953 20941 33841 383269 397879 642979 7282111 16480567 313130773