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131134034301221 = 723814497107461
BaseRepresentation
bin11101110100010000000101…
…100010000101000100100101
3122012022021212022121200202102
4131310100011202011010211
5114142000000240114341
61142522051012421445
736423056421213140
oct3564200542050445
9565267768550672
10131134034301221
11388686a4784496
121285a7a2917885
135822b6a496923
142454cc77d3057
15102616ce21c9b
hex774405885125

131134034301221 has 8 divisors (see below), whose sum is σ = 156383444632704. Its totient is φ = 107513618184720.

The previous prime is 131134034301191. The next prime is 131134034301223. The reversal of 131134034301221 is 122103430431131.

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 131134034301221 - 222 = 131134030106917 is a prime.

It is a super-2 number, since 2×1311340343012212 (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 (131134034301223) 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, 407248553570 + ... + 407248553891.

It is an arithmetic number, because the mean of its divisors is an integer number (19547930579088).

Almost surely, 2131134034301221 is an apocalyptic number.

It is an amenable number.

131134034301221 is a deficient number, since it is larger than the sum of its proper divisors (25249410331483).

131134034301221 is an equidigital number, since it uses as much as digits as its factorization.

131134034301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814497107491.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131134034301221 its reverse (122103430431131), we get a palindrome (253237464732352).

The spelling of 131134034301221 in words is "one hundred thirty-one trillion, one hundred thirty-four billion, thirty-four million, three hundred one thousand, two hundred twenty-one".

Divisors: 1 7 23 161 814497107461 5701479752227 18733433471603 131134034301221