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3130111313 = 72511781509
BaseRepresentation
bin1011101010010001…
…1011010101010001
322002010212010111122
42322210123111101
522402302030223
61234333052025
7140365335650
oct27244332521
98063763448
103130111313
111366958a5a
12734327015
133ab63b894
142199d5197
15134be55c8
hexba91b551

3130111313 has 8 divisors (see below), whose sum is σ = 3591524160. Its totient is φ = 2672262000.

The previous prime is 3130111297. The next prime is 3130111343. The reversal of 3130111313 is 3131110313.

3130111313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3130111313 - 24 = 3130111297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3130111291 and 3130111300.

It is not an unprimeable number, because it can be changed into a prime (3130111343) 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, 888998 + ... + 892511.

It is an arithmetic number, because the mean of its divisors is an integer number (448940520).

Almost surely, 23130111313 is an apocalyptic number.

It is an amenable number.

3130111313 is a deficient number, since it is larger than the sum of its proper divisors (461412847).

3130111313 is a wasteful number, since it uses less digits than its factorization.

3130111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781767.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 3130111313 is about 55947.3977321555. The cubic root of 3130111313 is about 1462.8055319784.

Adding to 3130111313 its reverse (3131110313), we get a palindrome (6261221626).

The spelling of 3130111313 in words is "three billion, one hundred thirty million, one hundred eleven thousand, three hundred thirteen".

Divisors: 1 7 251 1757 1781509 12470563 447158759 3130111313