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31341234729 = 374621322969
BaseRepresentation
bin11101001100000101…
…010100101000101001
32222220020001200112110
4131030011110220221
51003141324002404
622221543232533
72156444046120
oct351405245051
988806050473
1031341234729
1112323345592
1260a8148749
132c5620990c
141734620ab7
15c36761b89
hex74c154a29

31341234729 has 16 divisors (see below), whose sum is σ = 47768554880. Its totient is φ = 17905345920.

The previous prime is 31341234709. The next prime is 31341234737. The reversal of 31341234729 is 92743214313.

It is not a de Polignac number, because 31341234729 - 27 = 31341234601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31341234709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64444 + ... + 258525.

It is an arithmetic number, because the mean of its divisors is an integer number (2985534680).

Almost surely, 231341234729 is an apocalyptic number.

It is an amenable number.

31341234729 is a deficient number, since it is larger than the sum of its proper divisors (16427320151).

31341234729 is a wasteful number, since it uses less digits than its factorization.

31341234729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327600.

The product of its digits is 108864, while the sum is 39.

The spelling of 31341234729 in words is "thirty-one billion, three hundred forty-one million, two hundred thirty-four thousand, seven hundred twenty-nine".

Divisors: 1 3 7 21 4621 13863 32347 97041 322969 968907 2260783 6782349 1492439749 4477319247 10447078243 31341234729