Search a number
-
+
131023203332303 = 351137317916073
BaseRepresentation
bin11101110010101000110111…
…011111011111000011001111
3122011220200210022121010022202
4131302220313133133003033
5114133141010023113203
61142355121220232115
736412054056423602
oct3562506737370317
9564820708533282
10131023203332303
11388256a0571107
121284121183b63b
135815586a92b49
14244d7b2102339
151023332dd6388
hex772a377df0cf

131023203332303 has 4 divisors (see below), whose sum is σ = 131060521251888. Its totient is φ = 130985885412720.

The previous prime is 131023203332257. The next prime is 131023203332309. The reversal of 131023203332303 is 303233302320131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131023203332303 - 26 = 131023203332239 is a prime.

It is a super-2 number, since 2×1310232033323032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023203332309) 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, 18658954526 + ... + 18658961547.

It is an arithmetic number, because the mean of its divisors is an integer number (32765130312972).

Almost surely, 2131023203332303 is an apocalyptic number.

131023203332303 is a deficient number, since it is larger than the sum of its proper divisors (37317919585).

131023203332303 is an equidigital number, since it uses as much as digits as its factorization.

131023203332303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37317919584.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 131023203332303 its reverse (303233302320131), we get a palindrome (434256505652434).

The spelling of 131023203332303 in words is "one hundred thirty-one trillion, twenty-three billion, two hundred three million, three hundred thirty-two thousand, three hundred three".

Divisors: 1 3511 37317916073 131023203332303