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23024320031 = 31799401519
BaseRepresentation
bin10101011100010110…
…110011111000011111
32012102121022122101202
4111130112303320133
5334123211220111
614324403030115
71443364330316
oct253426637037
965377278352
1023024320031
1198456a0469
12456696b33b
13222c125a0b
141185c1d27d
158eb515b3b
hex55c5b3e1f

23024320031 has 8 divisors (see below), whose sum is σ = 24067891200. Its totient is φ = 21999552120.

The previous prime is 23024320019. The next prime is 23024320043. The reversal of 23024320031 is 13002342032.

It is an interprime number because it is at equal distance from previous prime (23024320019) and next prime (23024320043).

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

It is a cyclic number.

It is not a de Polignac number, because 23024320031 - 230 = 21950578207 is a prime.

It is a super-2 number, since 2×230243200312 (a number of 22 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 = 23024319985 and 23024320012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23024320051) 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, 4698311 + ... + 4703208.

It is an arithmetic number, because the mean of its divisors is an integer number (3008486400).

Almost surely, 223024320031 is an apocalyptic number.

23024320031 is a deficient number, since it is larger than the sum of its proper divisors (1043571169).

23024320031 is an equidigital number, since it uses as much as digits as its factorization.

23024320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401629.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23024320031 its reverse (13002342032), we get a palindrome (36026662063).

The spelling of 23024320031 in words is "twenty-three billion, twenty-four million, three hundred twenty thousand, thirty-one".

Divisors: 1 31 79 2449 9401519 291447089 742720001 23024320031