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12331303134 = 235693611981
BaseRepresentation
bin10110111110000000…
…01100000011011110
31011211101112002210220
423133000030003132
5200223303200014
65355342342210
7614403230043
oct133700140336
934741462726
1012331303134
115258776617
12248188a966
1312169a2797
1484da1d1ca
154c28b46a9
hex2df00c0de

12331303134 has 16 divisors (see below), whose sum is σ = 24705956880. Its totient is φ = 4103209280.

The previous prime is 12331303091. The next prime is 12331303139. The reversal of 12331303134 is 43130313321.

It is a happy number.

It is a super-2 number, since 2×123313031342 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331303139) 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, 1802577 + ... + 1809404.

It is an arithmetic number, because the mean of its divisors is an integer number (1544122305).

Almost surely, 212331303134 is an apocalyptic number.

12331303134 is an abundant number, since it is smaller than the sum of its proper divisors (12374653746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12331303134 is a wasteful number, since it uses less digits than its factorization.

12331303134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612555.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12331303134 its reverse (43130313321), we get a palindrome (55461616455).

The spelling of 12331303134 in words is "twelve billion, three hundred thirty-one million, three hundred three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 569 1138 1707 3414 3611981 7223962 10835943 21671886 2055217189 4110434378 6165651567 12331303134