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1031010431213 = 7147287204459
BaseRepresentation
bin11110000000011010000…
…00101011000011101101
310122120012220000112220102
433000031000223003231
5113343002132244323
62105350055400445
7134326254032330
oct17001500530355
93576186015812
101031010431213
11368281567944
12147997383125
13762baab0a19
1437c88b56617
151bc43e32328
hexf00d02b0ed

1031010431213 has 4 divisors (see below), whose sum is σ = 1178297635680. Its totient is φ = 883723226748.

The previous prime is 1031010431183. The next prime is 1031010431237. The reversal of 1031010431213 is 3121340101301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1031010431213 - 224 = 1030993653997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031010431263) 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 in 3 ways as a sum of consecutive naturals, for example, 73643602223 + ... + 73643602236.

It is an arithmetic number, because the mean of its divisors is an integer number (294574408920).

Almost surely, 21031010431213 is an apocalyptic number.

It is an amenable number.

1031010431213 is a deficient number, since it is larger than the sum of its proper divisors (147287204467).

1031010431213 is an equidigital number, since it uses as much as digits as its factorization.

1031010431213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147287204466.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031010431213 its reverse (3121340101301), we get a palindrome (4152350532514).

The spelling of 1031010431213 in words is "one trillion, thirty-one billion, ten million, four hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 7 147287204459 1031010431213