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1301031201 = 3433677067
BaseRepresentation
bin100110110001100…
…0010100100100001
310100200010020021210
41031203002210201
510131030444301
6333033340333
744145403611
oct11543024441
93320106253
101301031201
11608441aa8
123038676a9
13179709462
14c4b0ca41
1579345ad6
hex4d8c2921

1301031201 has 4 divisors (see below), whose sum is σ = 1734708272. Its totient is φ = 867354132.

The previous prime is 1301031191. The next prime is 1301031209. The reversal of 1301031201 is 1021301031.

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 not a de Polignac number, because 1301031201 - 25 = 1301031169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301031209) 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, 216838531 + ... + 216838536.

It is an arithmetic number, because the mean of its divisors is an integer number (433677068).

Almost surely, 21301031201 is an apocalyptic number.

It is an amenable number.

1301031201 is a deficient number, since it is larger than the sum of its proper divisors (433677071).

1301031201 is an equidigital number, since it uses as much as digits as its factorization.

1301031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433677070.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1301031201 is about 36069.8101048508. The cubic root of 1301031201 is about 1091.6813825441.

Adding to 1301031201 its reverse (1021301031), we get a palindrome (2322332232).

The spelling of 1301031201 in words is "one billion, three hundred one million, thirty-one thousand, two hundred one".

Divisors: 1 3 433677067 1301031201