Search a number
-
+
131422403143443 = 3192305656195499
BaseRepresentation
bin11101111000011100101001…
…101001111010011100010011
3122020022212012020110200120010
4131320130221221322130103
5114211211040201042233
61143302341333450003
736452645444013516
oct3570345151723423
9566285166420503
10131422403143443
1138969a234437a5
12128a6660aa0903
1358441056b3349
142464c41ccad7d
15102d8e941bb63
hex778729a7a713

131422403143443 has 8 divisors (see below), whose sum is σ = 184452495640000. Its totient is φ = 83003623037928.

The previous prime is 131422403143387. The next prime is 131422403143469. The reversal of 131422403143443 is 344341304224131.

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

It is not a de Polignac number, because 131422403143443 - 237 = 131284964189971 is a prime.

It is a super-3 number, since 3×1314224031434433 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131422403123443) 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, 1152828097693 + ... + 1152828097806.

It is an arithmetic number, because the mean of its divisors is an integer number (23056561955000).

Almost surely, 2131422403143443 is an apocalyptic number.

131422403143443 is a deficient number, since it is larger than the sum of its proper divisors (53030092496557).

131422403143443 is a wasteful number, since it uses less digits than its factorization.

131422403143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305656195521.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 131422403143443 its reverse (344341304224131), we get a palindrome (475763707367574).

The spelling of 131422403143443 in words is "one hundred thirty-one trillion, four hundred twenty-two billion, four hundred three million, one hundred forty-three thousand, four hundred forty-three".

Divisors: 1 3 19 57 2305656195499 6916968586497 43807467714481 131422403143443