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312432442331 = 3747179662129
BaseRepresentation
bin1001000101111100110…
…11001011101111011011
31002212102221202112110012
410202332123023233123
520104330201123311
6355310211312135
731400236641032
oct4427633135733
91085387675405
10312432442331
11110557a72229
1250674bab64b
1323601753569
141119c36b719
1581d8da078b
hex48be6cbbdb

312432442331 has 8 divisors (see below), whose sum is σ = 327703725120. Its totient is φ = 297520483968.

The previous prime is 312432442277. The next prime is 312432442351. The reversal of 312432442331 is 133244234213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312432442331 - 214 = 312432425947 is a prime.

It is a super-2 number, since 2×3124324423312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312432442351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89829326 + ... + 89832803.

It is an arithmetic number, because the mean of its divisors is an integer number (40962965640).

Almost surely, 2312432442331 is an apocalyptic number.

312432442331 is a deficient number, since it is larger than the sum of its proper divisors (15271282789).

312432442331 is a wasteful number, since it uses less digits than its factorization.

312432442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179662213.

The product of its digits is 41472, while the sum is 32.

Adding to 312432442331 its reverse (133244234213), we get a palindrome (445676676544).

The spelling of 312432442331 in words is "three hundred twelve billion, four hundred thirty-two million, four hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 37 47 1739 179662129 6647498773 8444120063 312432442331