Search a number
-
+
31144333210342 = 2111415651509561
BaseRepresentation
bin1110001010011010110101…
…11010101111001011100110
311002021100222010111221211021
413011031122322233023212
513040232043300212332
6150123301551201354
76363050416236652
oct705153272571346
9132240863457737
1031144333210342
119a18268191160
1235abb9221625a
13144bb89c46561
14799572711a62
153902078a5c97
hex1c535aeaf2e6

31144333210342 has 8 divisors (see below), whose sum is σ = 50963454344232. Its totient is φ = 14156515095600.

The previous prime is 31144333210313. The next prime is 31144333210349. The reversal of 31144333210342 is 24301233344113.

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

It is a super-2 number, since 2×311443332103422 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31144333210298 and 31144333210307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144333210349) 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, 707825754759 + ... + 707825754802.

It is an arithmetic number, because the mean of its divisors is an integer number (6370431793029).

Almost surely, 231144333210342 is an apocalyptic number.

31144333210342 is a deficient number, since it is larger than the sum of its proper divisors (19819121133890).

31144333210342 is a wasteful number, since it uses less digits than its factorization.

31144333210342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415651509574.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 31144333210342 its reverse (24301233344113), we get a palindrome (55445566554455).

The spelling of 31144333210342 in words is "thirty-one trillion, one hundred forty-four billion, three hundred thirty-three million, two hundred ten thousand, three hundred forty-two".

Divisors: 1 2 11 22 1415651509561 2831303019122 15572166605171 31144333210342