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23320020131 = 1391069156941
BaseRepresentation
bin10101101101111110…
…110100010010100011
32020012012201202200022
4111231332310102203
5340224411121011
614414004544055
71453614620612
oct255576642243
966165652608
1023320020131
1199875a8311
1246299b202b
1322784795a5
1411b31d3879
159174758db
hex56dfb44a3

23320020131 has 8 divisors (see below), whose sum is σ = 23509911600. Its totient is φ = 23130444960.

The previous prime is 23320020109. The next prime is 23320020133. The reversal of 23320020131 is 13102002332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23320020131 is a prime.

It is a super-2 number, since 2×233200201312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23320020133) 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, 70121 + ... + 227061.

It is an arithmetic number, because the mean of its divisors is an integer number (2938738950).

Almost surely, 223320020131 is an apocalyptic number.

23320020131 is a deficient number, since it is larger than the sum of its proper divisors (189891469).

23320020131 is a wasteful number, since it uses less digits than its factorization.

23320020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158149.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23320020131 its reverse (13102002332), we get a palindrome (36422022463).

The spelling of 23320020131 in words is "twenty-three billion, three hundred twenty million, twenty thousand, one hundred thirty-one".

Divisors: 1 139 1069 148591 156941 21814799 167769929 23320020131