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10311408330431 = 13793185256187
BaseRepresentation
bin1001011000001100111111…
…0101001010011010111111
31100111202112202221111212012
42112003033311022122333
52322420231013033211
633532555014201435
72112655211441345
oct226031765123277
940452482844765
1010311408330431
11331605320387a
1211a650595327b
1359a49167b9c0
14279109473995
1512d353e4cd8b
hex960cfd4a6bf

10311408330431 has 4 divisors (see below), whose sum is σ = 11104593586632. Its totient is φ = 9518223074232.

The previous prime is 10311408330409. The next prime is 10311408330467. The reversal of 10311408330431 is 13403380411301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10311408330431 - 238 = 10036530423487 is a prime.

It is a super-2 number, since 2×103114083304312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311408330401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396592628081 + ... + 396592628106.

It is an arithmetic number, because the mean of its divisors is an integer number (2776148396658).

Almost surely, 210311408330431 is an apocalyptic number.

10311408330431 is a deficient number, since it is larger than the sum of its proper divisors (793185256201).

10311408330431 is an equidigital number, since it uses as much as digits as its factorization.

10311408330431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793185256200.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 10311408330431 its reverse (13403380411301), we get a palindrome (23714788741732).

The spelling of 10311408330431 in words is "ten trillion, three hundred eleven billion, four hundred eight million, three hundred thirty thousand, four hundred thirty-one".

Divisors: 1 13 793185256187 10311408330431