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131111201220233 = 1319530814579839
BaseRepresentation
bin11101110011111010110100…
…100100110010011010001001
3122012020002221001011000000012
4131303322310210302122021
5114141111220003021413
61142503353200321305
736421320535220663
oct3563726444623211
9565202831130005
10131111201220233
1138859a48032823
1212856290013235
13582096bb7b610
142453b5d155533
1510257835d47a8
hex773eb4932689

131111201220233 has 8 divisors (see below), whose sum is σ = 148628082355200. Its totient is φ = 114655949245008.

The previous prime is 131111201220229. The next prime is 131111201220253. The reversal of 131111201220233 is 332022102111131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131111201220233 - 22 = 131111201220229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131111201220199 and 131111201220208.

It is not an unprimeable number, because it can be changed into a prime (131111201220253) 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, 265407289673 + ... + 265407290166.

It is an arithmetic number, because the mean of its divisors is an integer number (18578510294400).

Almost surely, 2131111201220233 is an apocalyptic number.

131111201220233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131111201220233 is a deficient number, since it is larger than the sum of its proper divisors (17516881134967).

131111201220233 is a wasteful number, since it uses less digits than its factorization.

131111201220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530814579871.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131111201220233 its reverse (332022102111131), we get a palindrome (463133303331364).

The spelling of 131111201220233 in words is "one hundred thirty-one trillion, one hundred eleven billion, two hundred one million, two hundred twenty thousand, two hundred thirty-three".

Divisors: 1 13 19 247 530814579839 6900589537907 10085477016941 131111201220233