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1201300031 = 29112936691
BaseRepresentation
bin100011110011010…
…0110001000111111
310002201110100211202
41013212212020333
54430013100111
6315112010115
741524611311
oct10746461077
93081410752
101201300031
11567114548
1229639093b
13161b5b129
14b578b7b1
15706e5b3b
hex479a623f

1201300031 has 8 divisors (see below), whose sum is σ = 1243858800. Its totient is φ = 1158816960.

The previous prime is 1201300027. The next prime is 1201300033. The reversal of 1201300031 is 1300031021.

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 1201300031 - 22 = 1201300027 is a prime.

It is a super-2 number, since 2×12013000312 = 2886243528961201922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201299985 and 1201300021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201300033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14396 + ... + 51086.

It is an arithmetic number, because the mean of its divisors is an integer number (155482350).

Almost surely, 21201300031 is an apocalyptic number.

1201300031 is a deficient number, since it is larger than the sum of its proper divisors (42558769).

1201300031 is a wasteful number, since it uses less digits than its factorization.

1201300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37849.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1201300031 is about 34659.7754031961. The cubic root of 1201300031 is about 1063.0421776547.

Adding to 1201300031 its reverse (1300031021), we get a palindrome (2501331052).

The spelling of 1201300031 in words is "one billion, two hundred one million, three hundred thousand, thirty-one".

Divisors: 1 29 1129 32741 36691 1064039 41424139 1201300031