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1031330413 = 3133268723
BaseRepresentation
bin111101011110001…
…101101001101101
32122212122000100201
4331132031221231
54103010033123
6250200553501
734362110131
oct7536155155
92585560321
101031330413
1148a182893
12249482891
131358898a9
149ad853c1
156081e5ad
hex3d78da6d

1031330413 has 4 divisors (see below), whose sum is σ = 1064599168. Its totient is φ = 998061660.

The previous prime is 1031330411. The next prime is 1031330429. The reversal of 1031330413 is 3140331301.

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 1031330413 - 21 = 1031330411 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 (1031330411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16634331 + ... + 16634392.

It is an arithmetic number, because the mean of its divisors is an integer number (266149792).

Almost surely, 21031330413 is an apocalyptic number.

It is an amenable number.

1031330413 is a deficient number, since it is larger than the sum of its proper divisors (33268755).

1031330413 is an equidigital number, since it uses as much as digits as its factorization.

1031330413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33268754.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1031330413 is about 32114.3334509686. Note that the first 3 decimals coincide. The cubic root of 1031330413 is about 1010.3362645323.

Adding to 1031330413 its reverse (3140331301), we get a palindrome (4171661714).

The spelling of 1031330413 in words is "one billion, thirty-one million, three hundred thirty thousand, four hundred thirteen".

Divisors: 1 31 33268723 1031330413