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1213131301322 = 24671459890237
BaseRepresentation
bin10001101001110100010…
…000101010000111001010
311021222022012120022222212
4101221310100222013022
5124333443103120242
62325145501545122
7153434344631243
oct21516420520712
94258265508885
101213131301322
11428538aa2136
121771432751a2
138a522c3c5a5
1442a044b1cca
1521852926782
hex11a7442a1ca

1213131301322 has 16 divisors (see below), whose sum is σ = 1824845461920. Its totient is φ = 604851265008.

The previous prime is 1213131301309. The next prime is 1213131301351. The reversal of 1213131301322 is 2231031313121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917588 + ... + 1807824.

It is an arithmetic number, because the mean of its divisors is an integer number (114052841370).

Almost surely, 21213131301322 is an apocalyptic number.

1213131301322 is a deficient number, since it is larger than the sum of its proper divisors (611714160598).

1213131301322 is a wasteful number, since it uses less digits than its factorization.

1213131301322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892165.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1213131301322 its reverse (2231031313121), we get a palindrome (3444162614443).

The spelling of 1213131301322 in words is "one trillion, two hundred thirteen billion, one hundred thirty-one million, three hundred one thousand, three hundred twenty-two".

Divisors: 1 2 467 934 1459 2918 681353 890237 1362706 1780474 415740679 831481358 1298855783 2597711566 606565650661 1213131301322