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120101431291 is a prime number
BaseRepresentation
bin110111111011010011…
…0100110011111111011
3102111000002000212001221
41233312212212133323
53431431431300131
6131101314252511
711451140215312
oct1576646463773
9374002025057
10120101431291
1146a31143a36
121b339887137
13b43020c49a
145b549cb279
1531cdd3e411
hex1bf69a67fb

120101431291 has 2 divisors, whose sum is σ = 120101431292. Its totient is φ = 120101431290.

The previous prime is 120101431279. The next prime is 120101431327. The reversal of 120101431291 is 192134101021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120101431291 is a prime.

It is not a weakly prime, because it can be changed into another prime (120101431201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050715645 + 60050715646.

It is an arithmetic number, because the mean of its divisors is an integer number (60050715646).

Almost surely, 2120101431291 is an apocalyptic number.

120101431291 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101431291 is an equidigital number, since it uses as much as digits as its factorization.

120101431291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 120101431291 in words is "one hundred twenty billion, one hundred one million, four hundred thirty-one thousand, two hundred ninety-one".