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3130025313 = 31317964441
BaseRepresentation
bin1011101010010000…
…0110010101100001
322002010200202112110
42322210012111201
522402241302223
61234331145533
7140364530142
oct27244062541
98063622473
103130025313
1113668aa388
127342a52a9
133ab60b6ac
142199b1ac9
15134bc9d93
hexba906561

3130025313 has 8 divisors (see below), whose sum is σ = 4205225376. Its totient is φ = 2070754400.

The previous prime is 3130025309. The next prime is 3130025317. The reversal of 3130025313 is 3135200313.

It is an interprime number because it is at equal distance from previous prime (3130025309) and next prime (3130025317).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3130025313 - 22 = 3130025309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3130025313.

It is not an unprimeable number, because it can be changed into a prime (3130025317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981828 + ... + 3982613.

It is an arithmetic number, because the mean of its divisors is an integer number (525653172).

Almost surely, 23130025313 is an apocalyptic number.

It is an amenable number.

3130025313 is a deficient number, since it is larger than the sum of its proper divisors (1075200063).

3130025313 is a wasteful number, since it uses less digits than its factorization.

3130025313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964575.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 3130025313 is about 55946.6291477869. The cubic root of 3130025313 is about 1462.7921349651.

Adding to 3130025313 its reverse (3135200313), we get a palindrome (6265225626).

The spelling of 3130025313 in words is "three billion, one hundred thirty million, twenty-five thousand, three hundred thirteen".

Divisors: 1 3 131 393 7964441 23893323 1043341771 3130025313