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202131304023 = 31127722112603
BaseRepresentation
bin1011110000111111110…
…1101110111001010111
3201022201212201010222110
42330033331232321113
511302431103212043
6232505143202103
720414000510235
oct2741775567127
9638655633873
10202131304023
11787a5940490
1233211446333
13160a3a4a70c
149ad7199955
1553d0621b33
hex2f0ff6ee57

202131304023 has 16 divisors (see below), whose sum is σ = 295070587776. Its totient is φ = 122061563040.

The previous prime is 202131304009. The next prime is 202131304031. The reversal of 202131304023 is 320403131202.

It is not a de Polignac number, because 202131304023 - 24 = 202131304007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202131304033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11047161 + ... + 11065442.

It is an arithmetic number, because the mean of its divisors is an integer number (18441911736).

Almost surely, 2202131304023 is an apocalyptic number.

202131304023 is a deficient number, since it is larger than the sum of its proper divisors (92939283753).

202131304023 is a wasteful number, since it uses less digits than its factorization.

202131304023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22112894.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202131304023 its reverse (320403131202), we get a palindrome (522534435225).

The spelling of 202131304023 in words is "two hundred two billion, one hundred thirty-one million, three hundred four thousand, twenty-three".

Divisors: 1 3 11 33 277 831 3047 9141 22112603 66337809 243238633 729715899 6125191031 18375573093 67377101341 202131304023