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23020010131 = 177431822501
BaseRepresentation
bin10101011100000110…
…010111101010010011
32012102022012200022211
4111130012113222103
5334121110311011
614324130412551
71443312600106
oct253406275223
965368180284
1023020010131
119843217368
124565431157
13222b277091
14118541a73d
158eae63b21
hex55c197a93

23020010131 has 8 divisors (see below), whose sum is σ = 24406946784. Its totient is φ = 21636720000.

The previous prime is 23020010113. The next prime is 23020010159. The reversal of 23020010131 is 13101002032.

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 23020010131 - 25 = 23020010099 is a prime.

It is a super-2 number, since 2×230200101312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23020010171) 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, 898620 + ... + 923881.

It is an arithmetic number, because the mean of its divisors is an integer number (3050868348).

Almost surely, 223020010131 is an apocalyptic number.

23020010131 is a deficient number, since it is larger than the sum of its proper divisors (1386936653).

23020010131 is a wasteful number, since it uses less digits than its factorization.

23020010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823261.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 23020010131 its reverse (13101002032), we get a palindrome (36121012163).

The spelling of 23020010131 in words is "twenty-three billion, twenty million, ten thousand, one hundred thirty-one".

Divisors: 1 17 743 12631 1822501 30982517 1354118243 23020010131