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310323301213 = 1923761380869
BaseRepresentation
bin1001000010000001011…
…01011100101101011101
31002122222222001001202111
410201000231130231131
520041020231114323
6354321025154021
731264046352412
oct4410055345535
91078888031674
10310323301213
1110a6754602a2
125018678b911
13233567b4a73
141103c1c2109
158113b2ec0d
hex4840b5cb5d

310323301213 has 24 divisors (see below), whose sum is σ = 341882623320. Its totient is φ = 281354808960.

The previous prime is 310323301157. The next prime is 310323301217. The reversal of 310323301213 is 312103323013.

It can be written as a sum of positive squares in 4 ways, for example, as 24522933604 + 285800367609 = 156598^2 + 534603^2 .

It is a de Polignac number, because none of the positive numbers 2k-310323301213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310323301217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624343 + ... + 1005211.

It is an arithmetic number, because the mean of its divisors is an integer number (14245109305).

Almost surely, 2310323301213 is an apocalyptic number.

It is an amenable number.

310323301213 is a deficient number, since it is larger than the sum of its proper divisors (31559322107).

310323301213 is a wasteful number, since it uses less digits than its factorization.

310323301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381005 (or 380986 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 310323301213 its reverse (312103323013), we get a palindrome (622426624226).

The spelling of 310323301213 in words is "three hundred ten billion, three hundred twenty-three million, three hundred one thousand, two hundred thirteen".

Divisors: 1 19 37 61 361 703 1159 2257 13357 22021 42883 380869 814777 7236511 14092153 23233009 137493709 267750907 441427171 859621333 5087267233 8387116249 16332805327 310323301213