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9312000002431 = 71330285714633
BaseRepresentation
bin1000011110000001111001…
…1100111100100101111111
31012222012220021212010202221
42013200132130330211333
52210031434000034211
631445512421230211
71650525020014510
oct207403634744577
935865807763687
109312000002431
112a70219268905
121064889b62367
1352716bb54249
142429bb846a07
1511235e60bc71
hex8781e73c97f

9312000002431 has 4 divisors (see below), whose sum is σ = 10642285717072. Its totient is φ = 7981714287792.

The previous prime is 9312000002399. The next prime is 9312000002507. The reversal of 9312000002431 is 1342000002139.

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

It is not a de Polignac number, because 9312000002431 - 25 = 9312000002399 is a prime.

It is a super-2 number, since 2×93120000024312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9312000002396 and 9312000002405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9312000002831) 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, 665142857310 + ... + 665142857323.

It is an arithmetic number, because the mean of its divisors is an integer number (2660571429268).

Almost surely, 29312000002431 is an apocalyptic number.

9312000002431 is a deficient number, since it is larger than the sum of its proper divisors (1330285714641).

9312000002431 is a wasteful number, since it uses less digits than its factorization.

9312000002431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330285714640.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 9312000002431 in words is "nine trillion, three hundred twelve billion, two thousand, four hundred thirty-one".

Divisors: 1 7 1330285714633 9312000002431