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1031312130971 is a prime number
BaseRepresentation
bin11110000000111101111…
…11100100001110011011
310122120222220201111011112
433000132333210032123
5113344111401142341
62105440034050535
7134336606321423
oct17003677441633
93576886644145
101031312130971
113684168a2391
12147a60419a4b
13763384553a5
1437cb6c4d483
151bc60679aeb
hexf01efe439b

1031312130971 has 2 divisors, whose sum is σ = 1031312130972. Its totient is φ = 1031312130970.

The previous prime is 1031312130911. The next prime is 1031312130983. The reversal of 1031312130971 is 1790312131301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031312130971 - 238 = 756434224027 is a prime.

It is a super-2 number, since 2×10313121309712 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1031312130911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515656065485 + 515656065486.

It is an arithmetic number, because the mean of its divisors is an integer number (515656065486).

Almost surely, 21031312130971 is an apocalyptic number.

1031312130971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031312130971 is an equidigital number, since it uses as much as digits as its factorization.

1031312130971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The spelling of 1031312130971 in words is "one trillion, thirty-one billion, three hundred twelve million, one hundred thirty thousand, nine hundred seventy-one".