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1131313001 = 71312432011
BaseRepresentation
bin100001101101110…
…0111011101101001
32220211202122200112
41003123213131221
54304104004001
6304131544105
740015000430
oct10333473551
92824678615
101131313001
11530662225
12276a5b035
131504c54a0
14aa370117
15694bdcbb
hex436e7769

1131313001 has 8 divisors (see below), whose sum is σ = 1392385344. Its totient is φ = 895104720.

The previous prime is 1131312967. The next prime is 1131313021. The reversal of 1131313001 is 1003131311.

It is a happy number.

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 1131313001 - 222 = 1127118697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131313021) 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, 6215915 + ... + 6216096.

It is an arithmetic number, because the mean of its divisors is an integer number (174048168).

Almost surely, 21131313001 is an apocalyptic number.

It is an amenable number.

1131313001 is a deficient number, since it is larger than the sum of its proper divisors (261072343).

1131313001 is a wasteful number, since it uses less digits than its factorization.

1131313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432031.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1131313001 is about 33634.9966701351. The cubic root of 1131313001 is about 1041.9837018510.

Adding to 1131313001 its reverse (1003131311), we get a palindrome (2134444312).

The spelling of 1131313001 in words is "one billion, one hundred thirty-one million, three hundred thirteen thousand, one".

Divisors: 1 7 13 91 12432011 87024077 161616143 1131313001