Search a number
-
+
131111012230002 = 2337346854529709
BaseRepresentation
bin11101110011111010101001…
…010011110110001101110010
3122012020002102212112022011000
4131303322221103312031302
5114141110323112330002
61142503322325502430
736421313051640030
oct3563725123661562
9565202385468130
10131111012230002
113885996038a652
1212856238871a16
13582093b97a68c
142453b41ddb550
151025771c0261c
hex773ea94f6372

131111012230002 has 32 divisors (see below), whose sum is σ = 332980348521600. Its totient is φ = 37460289208464.

The previous prime is 131111012229991. The next prime is 131111012230013. The reversal of 131111012230002 is 200032210111131.

131111012230002 is a `hidden beast` number, since 1 + 311 + 110 + 12 + 230 + 0 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (131111012229991) and next prime (131111012230013).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173427264477 + ... + 173427265232.

It is an arithmetic number, because the mean of its divisors is an integer number (10405635891300).

Almost surely, 2131111012230002 is an apocalyptic number.

131111012230002 is an abundant number, since it is smaller than the sum of its proper divisors (201869336291598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131111012230002 is a wasteful number, since it uses less digits than its factorization.

131111012230002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346854529727 (or 346854529721 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 131111012230002 its reverse (200032210111131), we get a palindrome (331143222341133).

The spelling of 131111012230002 in words is "one hundred thirty-one trillion, one hundred eleven billion, twelve million, two hundred thirty thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 346854529709 693709059418 1040563589127 2081127178254 2427981707963 3121690767381 4855963415926 6243381534762 7283945123889 9365072302143 14567890247778 18730144604286 21851835371667 43703670743334 65555506115001 131111012230002