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1233131133 = 313139227473
BaseRepresentation
bin100100110000000…
…0001011001111101
310011221100112220110
41021200001121331
510011140144013
6322210140233
742362304333
oct11140013175
93157315813
101233131133
11583085743
122a4b81679
131686246c0
14b9ab5b53
15733d22c3
hex4980167d

1233131133 has 16 divisors (see below), whose sum is σ = 1783396160. Its totient is φ = 753387264.

The previous prime is 1233131071. The next prime is 1233131171. The reversal of 1233131133 is 3311313321.

It is not a de Polignac number, because 1233131133 - 213 = 1233122941 is a prime.

It is a super-2 number, since 2×12331311332 = 3041224782347727378, which contains 22 as substring.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108316 + ... + 119157.

It is an arithmetic number, because the mean of its divisors is an integer number (111462260).

Almost surely, 21233131133 is an apocalyptic number.

1233131133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1233131133 is a deficient number, since it is larger than the sum of its proper divisors (550265027).

1233131133 is a wasteful number, since it uses less digits than its factorization.

1233131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227628.

The product of its digits is 486, while the sum is 21.

The square root of 1233131133 is about 35115.9669238938. The cubic root of 1233131133 is about 1072.3496660090.

Adding to 1233131133 its reverse (3311313321), we get a palindrome (4544444454).

The spelling of 1233131133 in words is "one billion, two hundred thirty-three million, one hundred thirty-one thousand, one hundred thirty-three".

Divisors: 1 3 13 39 139 417 1807 5421 227473 682419 2957149 8871447 31618747 94856241 411043711 1233131133