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31232101379 is a prime number
BaseRepresentation
bin11101000101100101…
…000000110000000011
32222121121201010201112
4131011211000300003
51002430404221004
622203044153535
72153650324103
oct350545006003
988547633645
1031232101379
1112277786036
1260776988ab
132c39718b7b
141723d33203
15c2bda5e6e
hex745940c03

31232101379 has 2 divisors, whose sum is σ = 31232101380. Its totient is φ = 31232101378.

The previous prime is 31232101349. The next prime is 31232101441. The reversal of 31232101379 is 97310123213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31232101379 is a prime.

It is not a weakly prime, because it can be changed into another prime (31232101349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616050689 + 15616050690.

It is an arithmetic number, because the mean of its divisors is an integer number (15616050690).

Almost surely, 231232101379 is an apocalyptic number.

31232101379 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232101379 is an equidigital number, since it uses as much as digits as its factorization.

31232101379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 31232101379 in words is "thirty-one billion, two hundred thirty-two million, one hundred one thousand, three hundred seventy-nine".