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31334120413 = 671134138703
BaseRepresentation
bin11101001011101010…
…001011101111011101
32222212201200020112021
4131023222023233131
51003133013323123
622221130540141
72156326425511
oct351352135735
988781606467
1031334120413
111231a326492
1260a5897651
132c548b866b
1417336cc141
15c35d08c5d
hex74ba8bbdd

31334120413 has 8 divisors (see below), whose sum is σ = 32083233408. Its totient is φ = 30593285184.

The previous prime is 31334120353. The next prime is 31334120417. The reversal of 31334120413 is 31402143313.

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 31334120413 - 213 = 31334112221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31334120417) 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, 2061781 + ... + 2076922.

It is an arithmetic number, because the mean of its divisors is an integer number (4010404176).

Almost surely, 231334120413 is an apocalyptic number.

It is an amenable number.

31334120413 is a deficient number, since it is larger than the sum of its proper divisors (749112995).

31334120413 is a wasteful number, since it uses less digits than its factorization.

31334120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138883.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31334120413 its reverse (31402143313), we get a palindrome (62736263726).

The spelling of 31334120413 in words is "thirty-one billion, three hundred thirty-four million, one hundred twenty thousand, four hundred thirteen".

Divisors: 1 67 113 7571 4138703 277293101 467673439 31334120413