Search a number
-
+
31101034344331 = 7390673569517
BaseRepresentation
bin1110001001001010001100…
…00110101010111110001011
311002010020012120001122220011
413010211012012222332023
513034024404243004311
6150051341250212351
76356655424036000
oct704450606527613
9132106176048804
1031101034344331
119a009690a3276
1235a37095840b7
131447a795bab93
14797425d818a7
1538e021492321
hex1c49461aaf8b

31101034344331 has 8 divisors (see below), whose sum is σ = 36269427807200. Its totient is φ = 26658029437704.

The previous prime is 31101034344323. The next prime is 31101034344349. The reversal of 31101034344331 is 13344343010113.

It is a happy number.

It is not a de Polignac number, because 31101034344331 - 23 = 31101034344323 is a prime.

It is a super-2 number, since 2×311010343443312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31101034344293 and 31101034344302.

It is not an unprimeable number, because it can be changed into a prime (31101034344311) 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, 45336784416 + ... + 45336785101.

It is an arithmetic number, because the mean of its divisors is an integer number (4533678475900).

Almost surely, 231101034344331 is an apocalyptic number.

31101034344331 is a deficient number, since it is larger than the sum of its proper divisors (5168393462869).

31101034344331 is an frugal number, since it uses more digits than its factorization.

31101034344331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90673569538 (or 90673569524 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31101034344331 its reverse (13344343010113), we get a palindrome (44445377354444).

The spelling of 31101034344331 in words is "thirty-one trillion, one hundred one billion, thirty-four million, three hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 7 49 343 90673569517 634714986619 4443004906333 31101034344331