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1233131113 = 3151077789
BaseRepresentation
bin100100110000000…
…0001011001101001
310011221100112212201
41021200001121221
510011140143423
6322210140201
742362304304
oct11140013151
93157315781
101233131113
11583085725
122a4b81661
131686246a6
14b9ab5b3b
15733d22ad
hex49801669

1233131113 has 8 divisors (see below), whose sum is σ = 1273322240. Its totient is φ = 1192965840.

The previous prime is 1233131071. The next prime is 1233131171. The reversal of 1233131113 is 3111313321.

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

It is a cyclic number.

It is not a de Polignac number, because 1233131113 - 29 = 1233130601 is a prime.

It is a super-2 number, since 2×12331311132 = 3041224683697237538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233131183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154423 + ... + 162211.

It is an arithmetic number, because the mean of its divisors is an integer number (159165280).

Almost surely, 21233131113 is an apocalyptic number.

It is an amenable number.

1233131113 is a deficient number, since it is larger than the sum of its proper divisors (40191127).

1233131113 is an equidigital number, since it uses as much as digits as its factorization.

1233131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12927.

The product of its digits is 162, while the sum is 19.

The square root of 1233131113 is about 35115.9666391230. The cubic root of 1233131113 is about 1072.3496602116.

Adding to 1233131113 its reverse (3111313321), we get a palindrome (4344444434).

The spelling of 1233131113 in words is "one billion, two hundred thirty-three million, one hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 31 5107 7789 158317 241459 39778423 1233131113