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3215314313 = 15720479709
BaseRepresentation
bin1011111110100101…
…1100110110001001
322022002011220001022
42333221130312021
523041110024223
61251015202225
7142451502131
oct27751346611
98262156038
103215314313
1113aaa63262
12758976375
133c31a1263
14227053ac1
1513c425ac8
hexbfa5cd89

3215314313 has 4 divisors (see below), whose sum is σ = 3235794180. Its totient is φ = 3194834448.

The previous prime is 3215314283. The next prime is 3215314337. The reversal of 3215314313 is 3134135123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 377408329 + 2837905984 = 19427^2 + 53272^2 .

It is not a de Polignac number, because 3215314313 - 210 = 3215313289 is a prime.

It is a super-2 number, since 2×32153143132 = 20676492262765323938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3215314913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10239698 + ... + 10240011.

It is an arithmetic number, because the mean of its divisors is an integer number (808948545).

Almost surely, 23215314313 is an apocalyptic number.

It is an amenable number.

3215314313 is a deficient number, since it is larger than the sum of its proper divisors (20479867).

3215314313 is a wasteful number, since it uses less digits than its factorization.

3215314313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20479866.

The product of its digits is 3240, while the sum is 26.

The square root of 3215314313 is about 56703.7416137595. The cubic root of 3215314313 is about 1475.9596264995.

Adding to 3215314313 its reverse (3134135123), we get a palindrome (6349449436).

The spelling of 3215314313 in words is "three billion, two hundred fifteen million, three hundred fourteen thousand, three hundred thirteen".

Divisors: 1 157 20479709 3215314313