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12310230113 = 157241325349
BaseRepresentation
bin10110111011011111…
…10011010001100001
31011202220212111001122
423131233303101201
5200202404330423
65353310542025
7614026141466
oct133557632141
934686774048
1012310230113
1152478930a5
122476807915
131212504b3c
1484acd566d
154c0b008c8
hex2ddbf3461

12310230113 has 8 divisors (see below), whose sum is σ = 12440082600. Its totient is φ = 12181029120.

The previous prime is 12310230061. The next prime is 12310230139. The reversal of 12310230113 is 31103201321.

It can be written as a sum of positive squares in 4 ways, for example, as 733976464 + 11576253649 = 27092^2 + 107593^2 .

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 12310230113 - 216 = 12310164577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12310230091 and 12310230100.

It is not an unprimeable number, because it can be changed into a prime (12310230613) 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, 124838 + ... + 200511.

It is an arithmetic number, because the mean of its divisors is an integer number (1555010325).

Almost surely, 212310230113 is an apocalyptic number.

It is an amenable number.

12310230113 is a deficient number, since it is larger than the sum of its proper divisors (129852487).

12310230113 is a wasteful number, since it uses less digits than its factorization.

12310230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325747.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12310230113 its reverse (31103201321), we get a palindrome (43413431434).

The spelling of 12310230113 in words is "twelve billion, three hundred ten million, two hundred thirty thousand, one hundred thirteen".

Divisors: 1 157 241 37837 325349 51079793 78409109 12310230113