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1320211200031 = 2986635255053
BaseRepresentation
bin10011001101100010101…
…110000011100000011111
311200012200210021210110021
4103031202232003200133
5133112243031400111
62450255135453011
7164245031020663
oct23154256034037
94605623253407
101320211200031
11469997893999
12193a48087167
139765947b1b9
1447c8192a8a3
152451d4add71
hex13362b8381f

1320211200031 has 8 divisors (see below), whose sum is σ = 1365893635680. Its totient is φ = 1274539291872.

The previous prime is 1320211200013. The next prime is 1320211200053. The reversal of 1320211200031 is 1300021120231.

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 1320211200031 - 221 = 1320209102879 is a prime.

It is a super-2 number, since 2×13202112000312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320211199978 and 1320211200014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320211200431) 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, 2376300 + ... + 2878753.

It is an arithmetic number, because the mean of its divisors is an integer number (170736704460).

Almost surely, 21320211200031 is an apocalyptic number.

1320211200031 is a deficient number, since it is larger than the sum of its proper divisors (45682435649).

1320211200031 is an equidigital number, since it uses as much as digits as its factorization.

1320211200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263745.

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

Adding to 1320211200031 its reverse (1300021120231), we get a palindrome (2620232320262).

The spelling of 1320211200031 in words is "one trillion, three hundred twenty billion, two hundred eleven million, two hundred thousand, thirty-one".

Divisors: 1 29 8663 251227 5255053 152396537 45524524139 1320211200031