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23213131310 = 257013311431
BaseRepresentation
bin10101100111100111…
…000100011000101110
32012220202121020210002
4111213213010120232
5340020030200220
614355225544302
71451146234445
oct254747043056
965822536702
1023213131310
119932231146
1245ba045092
13225c293375
1411a2d2bd5c
1590cdaec75
hex5679c462e

23213131310 has 16 divisors (see below), whose sum is σ = 41843254752. Its totient is φ = 9272004000.

The previous prime is 23213131301. The next prime is 23213131339. The reversal of 23213131310 is 1313131232.

It is a super-2 number, since 2×232131313102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648706 + ... + 1662725.

It is an arithmetic number, because the mean of its divisors is an integer number (2615203422).

Almost surely, 223213131310 is an apocalyptic number.

23213131310 is a deficient number, since it is larger than the sum of its proper divisors (18630123442).

23213131310 is a wasteful number, since it uses less digits than its factorization.

23213131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312139.

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

Adding to 23213131310 its reverse (1313131232), we get a palindrome (24526262542).

The spelling of 23213131310 in words is "twenty-three billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 701 1402 3505 7010 3311431 6622862 16557155 33114310 2321313131 4642626262 11606565655 23213131310