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1010302213 = 2334336061
BaseRepresentation
bin111100001101111…
…111110100000101
32121102001200002111
4330031333310011
54032114132323
6244130141021
734015266334
oct7415776405
92542050074
101010302213
11479320008
12242421771
1313140647b
149826dd1b
155da68c0d
hex3c37fd05

1010302213 has 4 divisors (see below), whose sum is σ = 1014638508. Its totient is φ = 1005965920.

The previous prime is 1010302211. The next prime is 1010302217. The reversal of 1010302213 is 3122030101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3122030101 = 30187103423.

It can be written as a sum of positive squares in 2 ways, for example, as 348680929 + 661621284 = 18673^2 + 25722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010302213 - 21 = 1010302211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010302193 and 1010302202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010302211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167798 + ... + 2168263.

It is an arithmetic number, because the mean of its divisors is an integer number (253659627).

Almost surely, 21010302213 is an apocalyptic number.

It is an amenable number.

1010302213 is a deficient number, since it is larger than the sum of its proper divisors (4336295).

1010302213 is an equidigital number, since it uses as much as digits as its factorization.

1010302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336294.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1010302213 is about 31785.2515012859. The cubic root of 1010302213 is about 1003.4223451920.

Adding to 1010302213 its reverse (3122030101), we get a palindrome (4132332314).

The spelling of 1010302213 in words is "one billion, ten million, three hundred two thousand, two hundred thirteen".

Divisors: 1 233 4336061 1010302213