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23301321313 = 83280738811
BaseRepresentation
bin10101101100110111…
…011111001001100001
32020010220112202201111
4111230313133021201
5340210114240223
614412100103321
71453266651244
oct255467371141
966126482644
1023301321313
119977a96646
124623694b41
1322746304ba
1411b092725b
159159d030d
hex56cddf261

23301321313 has 4 divisors (see below), whose sum is σ = 23582060208. Its totient is φ = 23020582420.

The previous prime is 23301321301. The next prime is 23301321347. The reversal of 23301321313 is 31312310332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23301321313 - 213 = 23301313121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23301321353) 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, 140369323 + ... + 140369488.

It is an arithmetic number, because the mean of its divisors is an integer number (5895515052).

Almost surely, 223301321313 is an apocalyptic number.

It is an amenable number.

23301321313 is a deficient number, since it is larger than the sum of its proper divisors (280738895).

23301321313 is an equidigital number, since it uses as much as digits as its factorization.

23301321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280738894.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23301321313 its reverse (31312310332), we get a palindrome (54613631645).

The spelling of 23301321313 in words is "twenty-three billion, three hundred one million, three hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 83 280738811 23301321313