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10313312213 = 47933215161
BaseRepresentation
bin10011001101011100…
…01010011111010101
3222121202022112200102
421212232022133111
5132110201442323
64423214023445
7513400464431
oct114656123725
928552275612
1010313312213
114412661126
121bb9aa7b85
13c84899609
146db9dd9c1
1540564b328
hex266b8a7d5

10313312213 has 4 divisors (see below), whose sum is σ = 10313575308. Its totient is φ = 10313049120.

The previous prime is 10313312203. The next prime is 10313312237. The reversal of 10313312213 is 31221331301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7327017604 + 2986294609 = 85598^2 + 54647^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313312213 - 24 = 10313312197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313312203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59648 + ... + 155513.

It is an arithmetic number, because the mean of its divisors is an integer number (2578393827).

Almost surely, 210313312213 is an apocalyptic number.

It is an amenable number.

10313312213 is a deficient number, since it is larger than the sum of its proper divisors (263095).

10313312213 is an equidigital number, since it uses as much as digits as its factorization.

10313312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263094.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10313312213 its reverse (31221331301), we get a palindrome (41534643514).

The spelling of 10313312213 in words is "ten billion, three hundred thirteen million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 47933 215161 10313312213