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10220031313 = 71179804157
BaseRepresentation
bin10011000010010100…
…10100110101010001
3222101020210101100021
421201022110311101
5131412312000223
64410042423441
7511155555442
oct114112246521
928336711307
1010220031313
114374a39878
121b92801b81
13c6b46920b
146cd47b2c9
153ec37265d
hex261294d51

10220031313 has 8 divisors (see below), whose sum is σ = 10421887680. Its totient is φ = 10019783760.

The previous prime is 10220031293. The next prime is 10220031319. The reversal of 10220031313 is 31313002201.

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-10220031313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220031319) 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, 389370 + ... + 414787.

It is an arithmetic number, because the mean of its divisors is an integer number (1302735960).

Almost surely, 210220031313 is an apocalyptic number.

It is an amenable number.

10220031313 is a deficient number, since it is larger than the sum of its proper divisors (201856367).

10220031313 is an equidigital number, since it uses as much as digits as its factorization.

10220031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804407.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10220031313 its reverse (31313002201), we get a palindrome (41533033514).

The spelling of 10220031313 in words is "ten billion, two hundred twenty million, thirty-one thousand, three hundred thirteen".

Divisors: 1 71 179 12709 804157 57095147 143944103 10220031313