Search a number
-
+
131331113031313 = 1367751200774953
BaseRepresentation
bin11101110111000111101000…
…010101110001011010010001
3122020000010120002000111022001
4131313013220111301122101
5114203212104414000223
61143152402545514001
736443234260611226
oct3567075025613221
9566003502014261
10131331113031313
1138934237569338
1212890a24042901
135838617508910
14246066192394d
15102b354ba49ad
hex7771e8571691

131331113031313 has 16 divisors (see below), whose sum is σ = 143735592668416. Its totient is φ = 119260321488000.

The previous prime is 131331113031299. The next prime is 131331113031317. The reversal of 131331113031313 is 313130311133131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131331113031313 - 221 = 131331110934161 is a prime.

It is a super-2 number, since 2×1313311130313132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131331113031317) 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, 99733356 + ... + 101041597.

It is an arithmetic number, because the mean of its divisors is an integer number (8983474541776).

Almost surely, 2131331113031313 is an apocalyptic number.

131331113031313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131331113031313 is a deficient number, since it is larger than the sum of its proper divisors (12404479637103).

131331113031313 is a wasteful number, since it uses less digits than its factorization.

131331113031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200775784.

The product of its (nonzero) digits is 2187, while the sum is 28.

Adding to 131331113031313 its reverse (313130311133131), we get a palindrome (444461424164444).

The spelling of 131331113031313 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, one hundred thirteen million, thirty-one thousand, three hundred thirteen".

Divisors: 1 13 67 751 871 9763 50317 654121 200774953 2610074389 13451921851 150781989703 174874984063 1960165866139 10102393310101 131331113031313