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31343432334 = 235223905389
BaseRepresentation
bin11101001100001101…
…101101001010001110
32222220101012100002020
4131030031231022032
51003142404313314
622222102311010
72156501531124
oct351415551216
988811170066
1031343432334
1112324606695
1260a8a28466
132c567c8c86
141734a33914
15c36a47da9
hex74c36d28e

31343432334 has 8 divisors (see below), whose sum is σ = 62686864680. Its totient is φ = 10447810776.

The previous prime is 31343432311. The next prime is 31343432339. The reversal of 31343432334 is 43323434313.

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

31343432334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31343432295 and 31343432304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343432339) 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, 2611952689 + ... + 2611952700.

It is an arithmetic number, because the mean of its divisors is an integer number (7835858085).

Almost surely, 231343432334 is an apocalyptic number.

31343432334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31343432334 is a wasteful number, since it uses less digits than its factorization.

31343432334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223905394.

The product of its digits is 93312, while the sum is 33.

Adding to 31343432334 its reverse (43323434313), we get a palindrome (74666866647).

The spelling of 31343432334 in words is "thirty-one billion, three hundred forty-three million, four hundred thirty-two thousand, three hundred thirty-four".

Divisors: 1 2 3 6 5223905389 10447810778 15671716167 31343432334