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313212032232331 = 2143146155871317
BaseRepresentation
bin100011100110111010101101…
…1111010111010101110001011
31112001222210000001111112102111
41013031311123322322232023
5312023131220222413311
63030051342103243151
7122654552066466151
oct10715653372725613
91461883001445374
10313212032232331
1190887527857681
122b16670ba494b7
131059c9ca11acab
14574b78694b3d1
15263256c955d21
hex11cdd5bebab8b

313212032232331 has 4 divisors (see below), whose sum is σ = 313358188105792. Its totient is φ = 313065876358872.

The previous prime is 313212032232311. The next prime is 313212032232353. The reversal of 313212032232331 is 133232230212313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313212032232331 - 25 = 313212032232299 is a prime.

It is a super-2 number, since 2×3132120322323312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313212032232293 and 313212032232302.

It is not an unprimeable number, because it can be changed into a prime (313212032232301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73077933516 + ... + 73077937801.

It is an arithmetic number, because the mean of its divisors is an integer number (78339547026448).

Almost surely, 2313212032232331 is an apocalyptic number.

313212032232331 is a deficient number, since it is larger than the sum of its proper divisors (146155873461).

313212032232331 is a wasteful number, since it uses less digits than its factorization.

313212032232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146155873460.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 313212032232331 its reverse (133232230212313), we get a palindrome (446444262444644).

The spelling of 313212032232331 in words is "three hundred thirteen trillion, two hundred twelve billion, thirty-two million, two hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 2143 146155871317 313212032232331