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221413124131031 = 767472096213499
BaseRepresentation
bin110010010101111111000010…
…100111001100100011010111
31002000221212222022110021221002
4302111333002213030203113
5213010113034234143111
62102523441322013515
764431366423302240
oct6225770247144327
91060855868407832
10221413124131031
1164604862386558
12209bb41b34729b
139671225190791
143c966494c9cc7
151a8e6e435663b
hexc95fc29cc8d7

221413124131031 has 8 divisors (see below), whose sum is σ = 256820340144000. Its totient is φ = 186950100545208.

The previous prime is 221413124131013. The next prime is 221413124131039. The reversal of 221413124131031 is 130131421314122.

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

It is a de Polignac number, because none of the positive numbers 2k-221413124131031 is a prime.

It is a super-2 number, since 2×2214131241310312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221413124130985 and 221413124131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221413124131039) 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, 236048106281 + ... + 236048107218.

It is an arithmetic number, because the mean of its divisors is an integer number (32102542518000).

Almost surely, 2221413124131031 is an apocalyptic number.

221413124131031 is a deficient number, since it is larger than the sum of its proper divisors (35407216012969).

221413124131031 is an equidigital number, since it uses as much as digits as its factorization.

221413124131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472096213573.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 221413124131031 its reverse (130131421314122), we get a palindrome (351544545445153).

The spelling of 221413124131031 in words is "two hundred twenty-one trillion, four hundred thirteen billion, one hundred twenty-four million, one hundred thirty-one thousand, thirty-one".

Divisors: 1 7 67 469 472096213499 3304673494493 31630446304433 221413124131031