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23002022031 = 37667340677
BaseRepresentation
bin10101011011000001…
…110000000010001111
32012101001100210021220
4111123001300002033
5334102004201111
614322245054423
71443003650502
oct253301600217
965331323256
1023002022031
11983405066a
12455b3b7413
132227619631
141182c97139
158e95ade06
hex55b07008f

23002022031 has 4 divisors (see below), whose sum is σ = 30669362712. Its totient is φ = 15334681352.

The previous prime is 23002021993. The next prime is 23002022033. The reversal of 23002022031 is 13022020032.

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 23002022031 - 221 = 22999924879 is a prime.

It is a super-2 number, since 2×230020220312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23002022031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002022033) 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, 3833670336 + ... + 3833670341.

It is an arithmetic number, because the mean of its divisors is an integer number (7667340678).

Almost surely, 223002022031 is an apocalyptic number.

23002022031 is a deficient number, since it is larger than the sum of its proper divisors (7667340681).

23002022031 is an equidigital number, since it uses as much as digits as its factorization.

23002022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7667340680.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23002022031 its reverse (13022020032), we get a palindrome (36024042063).

The spelling of 23002022031 in words is "twenty-three billion, two million, twenty-two thousand, thirty-one".

Divisors: 1 3 7667340677 23002022031