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1210401032131 = 6171279473801
BaseRepresentation
bin10001100111010001100…
…001100000011111000011
311021201020221002021202201
4101213101201200133003
5124312400131012011
62324014530454031
7153306603005614
oct21472141403703
94251227067681
101210401032131
11427367911515
12176700a34317
138a1a93b84a5
1442825a3dc0b
1521742db2cc1
hex119d18607c3

1210401032131 has 8 divisors (see below), whose sum is σ = 1247571052128. Its totient is φ = 1173789960000.

The previous prime is 1210401032083. The next prime is 1210401032173. The reversal of 1210401032131 is 1312301040121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1210401032131 is a prime.

It is a super-2 number, since 2×12104010321312 (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 = 1210401032099 and 1210401032108.

It is not an unprimeable number, because it can be changed into a prime (1210401032431) 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, 139732570 + ... + 139741231.

It is an arithmetic number, because the mean of its divisors is an integer number (155946381516).

Almost surely, 21210401032131 is an apocalyptic number.

1210401032131 is a deficient number, since it is larger than the sum of its proper divisors (37170019997).

1210401032131 is an equidigital number, since it uses as much as digits as its factorization.

1210401032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279473933.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1210401032131 its reverse (1312301040121), we get a palindrome (2522702072252).

The spelling of 1210401032131 in words is "one trillion, two hundred ten billion, four hundred one million, thirty-two thousand, one hundred thirty-one".

Divisors: 1 61 71 4331 279473801 17047901861 19842639871 1210401032131