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131121322 = 2142745943
BaseRepresentation
bin1111101000011…
…00000010101010
3100010201122122021
413310030002222
5232031340242
621002215054
73151340623
oct764140252
9303648567
10131121322
1168018432
1237ab448a
132121bca7
14135b2a4a
15b7a0b67
hex7d0c0aa

131121322 has 8 divisors (see below), whose sum is σ = 196824096. Its totient is φ = 65513292.

The previous prime is 131121307. The next prime is 131121379. The reversal of 131121322 is 223121131.

131121322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131121296 and 131121305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20118 + ... + 25825.

It is an arithmetic number, because the mean of its divisors is an integer number (24603012).

Almost surely, 2131121322 is an apocalyptic number.

131121322 is a deficient number, since it is larger than the sum of its proper divisors (65702774).

131121322 is a wasteful number, since it uses less digits than its factorization.

131121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47372.

The product of its digits is 72, while the sum is 16.

The square root of 131121322 is about 11450.8218918993. The cubic root of 131121322 is about 508.0320442927.

Adding to 131121322 its reverse (223121131), we get a palindrome (354242453).

The spelling of 131121322 in words is "one hundred thirty-one million, one hundred twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 1427 2854 45943 91886 65560661 131121322