Search a number
-
+
1201031007 = 31136394879
BaseRepresentation
bin100011110010110…
…0100011101011111
310002200221200210220
41013211210131133
54424430443012
6315102132423
741522411061
oct10745443537
93080850726
101201031007
11566a50410
12296281113
13161a95847
14b571b731
157069108c
hex4796475f

1201031007 has 8 divisors (see below), whose sum is σ = 1746954240. Its totient is φ = 727897560.

The previous prime is 1201030981. The next prime is 1201031053. The reversal of 1201031007 is 7001301021.

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

It is not a de Polignac number, because 1201031007 - 219 = 1200506719 is a prime.

It is a super-3 number, since 3×12010310073 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201031077) 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, 18197407 + ... + 18197472.

It is an arithmetic number, because the mean of its divisors is an integer number (218369280).

Almost surely, 21201031007 is an apocalyptic number.

1201031007 is a deficient number, since it is larger than the sum of its proper divisors (545923233).

1201031007 is a wasteful number, since it uses less digits than its factorization.

1201031007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36394893.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1201031007 is about 34655.8942605728. The cubic root of 1201031007 is about 1062.9628177384.

Adding to 1201031007 its reverse (7001301021), we get a palindrome (8202332028).

The spelling of 1201031007 in words is "one billion, two hundred one million, thirty-one thousand, seven".

Divisors: 1 3 11 33 36394879 109184637 400343669 1201031007