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3130312331 = 3479919103
BaseRepresentation
bin1011101010010100…
…1100011010001011
322002011020100020202
42322211030122023
522402324443311
61234341242415
7140400134006
oct27245143213
98064210222
103130312331
111366a85a93
1273440340b
133ab6ac223
14219a4853d
15134c34e3b
hexba94c68b

3130312331 has 8 divisors (see below), whose sum is σ = 3142846464. Its totient is φ = 3117799080.

The previous prime is 3130312313. The next prime is 3130312349. The reversal of 3130312331 is 1332130313.

3130312331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3130312313) and next prime (3130312349).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3130312331 is a prime.

It is a super-2 number, since 2×31303123312 = 19597710579221307122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130312531) 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, 339326 + ... + 348428.

It is an arithmetic number, because the mean of its divisors is an integer number (392855808).

Almost surely, 23130312331 is an apocalyptic number.

3130312331 is a deficient number, since it is larger than the sum of its proper divisors (12534133).

3130312331 is an equidigital number, since it uses as much as digits as its factorization.

3130312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3130312331 is about 55949.1941943760. The cubic root of 3130312331 is about 1462.8368454492.

Adding to 3130312331 its reverse (1332130313), we get a palindrome (4462442644).

It can be divided in two parts, 31303 and 12331, that added together give a palindrome (43634).

The spelling of 3130312331 in words is "three billion, one hundred thirty million, three hundred twelve thousand, three hundred thirty-one".

Divisors: 1 347 991 9103 343877 3158741 9021073 3130312331