Search a number
-
+
23131012301 = 238631165349
BaseRepresentation
bin10101100010101101…
…110011110011001101
32012201001002011200022
4111202231303303031
5334333014343201
614343133511525
71446131234435
oct254255636315
965631064608
1023131012301
11989a9429a1
1245966425a5
132248270637
1411960732c5
15905a8d41b
hex562b73ccd

23131012301 has 8 divisors (see below), whose sum is σ = 24164697600. Its totient is φ = 22099659472.

The previous prime is 23131012283. The next prime is 23131012339. The reversal of 23131012301 is 10321013132.

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 23131012301 - 26 = 23131012237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23131012301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131012351) 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, 562826 + ... + 602523.

It is an arithmetic number, because the mean of its divisors is an integer number (3020587200).

Almost surely, 223131012301 is an apocalyptic number.

It is an amenable number.

23131012301 is a deficient number, since it is larger than the sum of its proper divisors (1033685299).

23131012301 is a wasteful number, since it uses less digits than its factorization.

23131012301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166235.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23131012301 its reverse (10321013132), we get a palindrome (33452025433).

The spelling of 23131012301 in words is "twenty-three billion, one hundred thirty-one million, twelve thousand, three hundred one".

Divisors: 1 23 863 19849 1165349 26803027 1005696187 23131012301