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1331301022 = 2665650511
BaseRepresentation
bin100111101011010…
…0000101010011110
310102210002002200021
41033112200222132
510211303113042
6340034222354
744663605042
oct11726405236
93383062607
101331301022
11623537187
12311a249ba
13182a771ac
14c8b4c022
157bd24867
hex4f5a0a9e

1331301022 has 4 divisors (see below), whose sum is σ = 1996951536. Its totient is φ = 665650510.

The previous prime is 1331300989. The next prime is 1331301029. The reversal of 1331301022 is 2201031331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2201031331 = 4153683691.

It is a super-2 number, since 2×13313010222 = 3544724822356488968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331300987 and 1331301005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331301029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332825254 + ... + 332825257.

It is an arithmetic number, because the mean of its divisors is an integer number (499237884).

Almost surely, 21331301022 is an apocalyptic number.

1331301022 is a deficient number, since it is larger than the sum of its proper divisors (665650514).

1331301022 is an equidigital number, since it uses as much as digits as its factorization.

1331301022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665650513.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1331301022 is about 36486.9979855839. The cubic root of 1331301022 is about 1100.0829199200.

Adding to 1331301022 its reverse (2201031331), we get a palindrome (3532332353).

The spelling of 1331301022 in words is "one billion, three hundred thirty-one million, three hundred one thousand, twenty-two".

Divisors: 1 2 665650511 1331301022