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972241031 is a prime number
BaseRepresentation
bin111001111100110…
…011100010000111
32111202102221222002
4321330303202013
53442343203111
6240250255515
733043624646
oct7174634207
92452387862
10972241031
11459894093
1223172759b
1312656b268
14931a335d
155a54b63b
hex39f33887

972241031 has 2 divisors, whose sum is σ = 972241032. Its totient is φ = 972241030.

The previous prime is 972241021. The next prime is 972241069. The reversal of 972241031 is 130142279.

It is a weak prime.

It is an emirp because it is prime and its reverse (130142279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 972241031 - 214 = 972224647 is a prime.

It is a super-2 number, since 2×9722410312 = 1890505244719885922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 972240985 and 972241003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972241021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486120515 + 486120516.

It is an arithmetic number, because the mean of its divisors is an integer number (486120516).

Almost surely, 2972241031 is an apocalyptic number.

972241031 is a deficient number, since it is larger than the sum of its proper divisors (1).

972241031 is an equidigital number, since it uses as much as digits as its factorization.

972241031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 972241031 is about 31180.7798330959. The cubic root of 972241031 is about 990.6600472045.

The spelling of 972241031 in words is "nine hundred seventy-two million, two hundred forty-one thousand, thirty-one".