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31023133322 = 229534881609
BaseRepresentation
bin11100111001000111…
…110111001010001010
32222002001111110102212
4130321013313022022
51002013410231242
622130221225122
72145532165556
oct347107671212
988061443385
1031023133322
111217a828265
1260197021a2
132c0534192c
141704298866
15c18879782
hex7391f728a

31023133322 has 8 divisors (see below), whose sum is σ = 48139344900. Its totient is φ = 14976685024.

The previous prime is 31023133303. The next prime is 31023133327. The reversal of 31023133322 is 22333132013.

It can be written as a sum of positive squares in 2 ways, for example, as 28828304521 + 2194828801 = 169789^2 + 46849^2 .

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

It is a super-2 number, since 2×310231333222 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31023133327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267440747 + ... + 267440862.

Almost surely, 231023133322 is an apocalyptic number.

31023133322 is a deficient number, since it is larger than the sum of its proper divisors (17116211578).

31023133322 is a wasteful number, since it uses less digits than its factorization.

31023133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534881640.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31023133322 its reverse (22333132013), we get a palindrome (53356265335).

The spelling of 31023133322 in words is "thirty-one billion, twenty-three million, one hundred thirty-three thousand, three hundred twenty-two".

Divisors: 1 2 29 58 534881609 1069763218 15511566661 31023133322