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1031022022231 = 4125146878591
BaseRepresentation
bin11110000000011011011…
…00111000111001010111
310122120020200211102210101
433000031230320321113
5113343013114202411
62105351152034531
7134326454406355
oct17001554707127
93576220742711
101031022022231
113682880643a3
1214799b232a47
13762c030b806
1437c8a4d27d5
151bc44e718c1
hexf00db38e57

1031022022231 has 4 divisors (see below), whose sum is σ = 1056168900864. Its totient is φ = 1005875143600.

The previous prime is 1031022022207. The next prime is 1031022022253. The reversal of 1031022022231 is 1322202201301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031022022231 - 29 = 1031022021719 is a prime.

It is a super-2 number, since 2×10310220222312 (a number of 25 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 = 1031022022199 and 1031022022208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031022022201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12573439255 + ... + 12573439336.

It is an arithmetic number, because the mean of its divisors is an integer number (264042225216).

Almost surely, 21031022022231 is an apocalyptic number.

1031022022231 is a deficient number, since it is larger than the sum of its proper divisors (25146878633).

1031022022231 is an equidigital number, since it uses as much as digits as its factorization.

1031022022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25146878632.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1031022022231 its reverse (1322202201301), we get a palindrome (2353224223532).

The spelling of 1031022022231 in words is "one trillion, thirty-one billion, twenty-two million, twenty-two thousand, two hundred thirty-one".

Divisors: 1 41 25146878591 1031022022231