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23031002211 = 371096714391
BaseRepresentation
bin10101011100110000…
…010011010001100011
32012110001220010121220
4111130300103101203
5334131414032321
614325202150123
71443505201020
oct253460232143
965401803556
1023031002211
119849444928
124569052343
132230625379
141186a7c547
158ebdd59c6
hex55cc13463

23031002211 has 8 divisors (see below), whose sum is σ = 35094860544. Its totient is φ = 13160572680.

The previous prime is 23031002207. The next prime is 23031002219. The reversal of 23031002211 is 11220013032.

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

It is not a de Polignac number, because 23031002211 - 22 = 23031002207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23031002219) 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, 548357175 + ... + 548357216.

It is an arithmetic number, because the mean of its divisors is an integer number (4386857568).

Almost surely, 223031002211 is an apocalyptic number.

23031002211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23031002211 is a deficient number, since it is larger than the sum of its proper divisors (12063858333).

23031002211 is a wasteful number, since it uses less digits than its factorization.

23031002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096714401.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23031002211 its reverse (11220013032), we get a palindrome (34251015243).

The spelling of 23031002211 in words is "twenty-three billion, thirty-one million, two thousand, two hundred eleven".

Divisors: 1 3 7 21 1096714391 3290143173 7677000737 23031002211