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113221200131 = 1315435644409
BaseRepresentation
bin110100101110010000…
…0100110100100000011
3101211020120122220020122
41221130200212210003
53323334111401011
6124002455130455
711115504215324
oct1513440464403
9354216586218
10113221200131
1144020463486
1219b39673a2b
13a8a497c1a0
1456a0d2a44b
152e29cd23db
hex1a5c826903

113221200131 has 8 divisors (see below), whose sum is σ = 122009566560. Its totient is φ = 104444125632.

The previous prime is 113221200121. The next prime is 113221200143. The reversal of 113221200131 is 131002122311.

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-113221200131 is a prime.

It is a super-2 number, since 2×1132212001312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113221200101) 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, 2802146 + ... + 2842263.

It is an arithmetic number, because the mean of its divisors is an integer number (15251195820).

Almost surely, 2113221200131 is an apocalyptic number.

113221200131 is a deficient number, since it is larger than the sum of its proper divisors (8788366429).

113221200131 is a wasteful number, since it uses less digits than its factorization.

113221200131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645965.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113221200131 its reverse (131002122311), we get a palindrome (244223322442).

The spelling of 113221200131 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred thousand, one hundred thirty-one".

Divisors: 1 13 1543 20059 5644409 73377317 8709323087 113221200131