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313144355 = 562628871
BaseRepresentation
bin10010101010100…
…011010000100011
3210211020101022002
4102222203100203
51120131104410
651023434215
710521453206
oct2252432043
9724211262
10313144355
11150841a97
1288a5596b
134cb50924
142d83593d
151c7587a5
hex12aa3423

313144355 has 4 divisors (see below), whose sum is σ = 375773232. Its totient is φ = 250515480.

The previous prime is 313144327. The next prime is 313144367. The reversal of 313144355 is 553441313.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 313144355 - 28 = 313144099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31314431 + ... + 31314440.

It is an arithmetic number, because the mean of its divisors is an integer number (93943308).

Almost surely, 2313144355 is an apocalyptic number.

313144355 is a deficient number, since it is larger than the sum of its proper divisors (62628877).

313144355 is an equidigital number, since it uses as much as digits as its factorization.

313144355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62628876.

The product of its digits is 10800, while the sum is 29.

The square root of 313144355 is about 17695.8852561831. The cubic root of 313144355 is about 679.0704968944.

Adding to 313144355 its reverse (553441313), we get a palindrome (866585668).

The spelling of 313144355 in words is "three hundred thirteen million, one hundred forty-four thousand, three hundred fifty-five".

Divisors: 1 5 62628871 313144355