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13031214001 = 133727091921
BaseRepresentation
bin11000010001011100…
…01000101110110001
31020122011112021000121
430020232020232301
5203141442322001
65553024050241
7640632330361
oct141056105661
936564467017
1013031214001
115587864a53
122638163981
1312c89b0420
148b89729a1
1551406a6a1
hex308b88bb1

13031214001 has 8 divisors (see below), whose sum is σ = 14412902504. Its totient is φ = 11703709440.

The previous prime is 13031213963. The next prime is 13031214059. The reversal of 13031214001 is 10041213031.

It can be written as a sum of positive squares in 4 ways, for example, as 549855601 + 12481358400 = 23449^2 + 111720^2 .

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 13031214001 - 27 = 13031213873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13031214601) 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, 13545480 + ... + 13546441.

It is an arithmetic number, because the mean of its divisors is an integer number (1801612813).

Almost surely, 213031214001 is an apocalyptic number.

It is an amenable number.

13031214001 is a deficient number, since it is larger than the sum of its proper divisors (1381688503).

13031214001 is a wasteful number, since it uses less digits than its factorization.

13031214001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27091971.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13031214001 its reverse (10041213031), we get a palindrome (23072427032).

The spelling of 13031214001 in words is "thirteen billion, thirty-one million, two hundred fourteen thousand, one".

Divisors: 1 13 37 481 27091921 352194973 1002401077 13031214001