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12431132313 = 337111992183
BaseRepresentation
bin10111001001111010…
…00000011010011001
31012002100100221200220
423210331000122121
5200424332213223
65413310150253
7620024611155
oct134475003231
935070327626
1012431132313
1152aa060776
1224ab1b2389
1312315865c2
1485cda8065
154cb5336e3
hex2e4f40699

12431132313 has 8 divisors (see below), whose sum is σ = 17022811968. Its totient is φ = 8063437104.

The previous prime is 12431132303. The next prime is 12431132333. The reversal of 12431132313 is 31323113421.

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

It is not a de Polignac number, because 12431132313 - 25 = 12431132281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12431132303) 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, 55995981 + ... + 55996202.

It is an arithmetic number, because the mean of its divisors is an integer number (2127851496).

Almost surely, 212431132313 is an apocalyptic number.

It is an amenable number.

12431132313 is a deficient number, since it is larger than the sum of its proper divisors (4591679655).

12431132313 is a wasteful number, since it uses less digits than its factorization.

12431132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111992223.

The product of its digits is 1296, while the sum is 24.

Adding to 12431132313 its reverse (31323113421), we get a palindrome (43754245734).

The spelling of 12431132313 in words is "twelve billion, four hundred thirty-one million, one hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 3 37 111 111992183 335976549 4143710771 12431132313