Search a number
-
+
31373210067 = 394111113429
BaseRepresentation
bin11101001101111111…
…010011000111010011
32222222110020012110020
4131031333103013103
51003223020210232
622225044434523
72160312612513
oct351577230723
988873205406
1031373210067
111233a3a5091
1260b69a8a43
132c5ca23a34
141738985843
15c3947ae2c
hex74dfd31d3

31373210067 has 8 divisors (see below), whose sum is σ = 41875404240. Its totient is φ = 20893244640.

The previous prime is 31373210047. The next prime is 31373210107. The reversal of 31373210067 is 76001237313.

It is a happy number.

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

It is not a de Polignac number, because 31373210067 - 211 = 31373208019 is a prime.

It is a super-2 number, since 2×313732100672 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31373210047) 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, 5553892 + ... + 5559537.

It is an arithmetic number, because the mean of its divisors is an integer number (5234425530).

Almost surely, 231373210067 is an apocalyptic number.

31373210067 is a deficient number, since it is larger than the sum of its proper divisors (10502194173).

31373210067 is a wasteful number, since it uses less digits than its factorization.

31373210067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11114373.

The product of its (nonzero) digits is 15876, while the sum is 33.

The spelling of 31373210067 in words is "thirty-one billion, three hundred seventy-three million, two hundred ten thousand, sixty-seven".

Divisors: 1 3 941 2823 11113429 33340287 10457736689 31373210067