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202312300131 = 3358393128321
BaseRepresentation
bin1011110001101011000…
…0001011011001100011
3201100012111021200222000
42330122300023121203
511303313422101011
6232535130415043
720421326114544
oct2743260133143
9640174250860
10202312300131
1178889023547
1233261b91483
13161023acac6
149b132324cb
1553e1475356
hex2f1ac0b663

202312300131 has 16 divisors (see below), whose sum is σ = 299729394720. Its totient is φ = 134871505920.

The previous prime is 202312300117. The next prime is 202312300139. The reversal of 202312300131 is 131003213202.

202312300131 is a `hidden beast` number, since 2 + 0 + 231 + 2 + 300 + 131 = 666.

202312300131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-202312300131 is a prime.

It is a super-2 number, since 2×2023123001312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202312300139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512451 + ... + 1640771.

It is an arithmetic number, because the mean of its divisors is an integer number (18733087170).

Almost surely, 2202312300131 is an apocalyptic number.

202312300131 is a deficient number, since it is larger than the sum of its proper divisors (97417094589).

202312300131 is a wasteful number, since it uses less digits than its factorization.

202312300131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186723 (or 186717 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 202312300131 its reverse (131003213202), we get a palindrome (333315513333).

The spelling of 202312300131 in words is "two hundred two billion, three hundred twelve million, three hundred thousand, one hundred thirty-one".

Divisors: 1 3 9 27 58393 128321 175179 384963 525537 1154889 1576611 3464667 7493048153 22479144459 67437433377 202312300131