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131331121201001 = 7237157391153007
BaseRepresentation
bin11101110111000111101000…
…110100111011111101101001
3122020000010120122101120000002
4131313013220310323331221
5114203212114011413001
61143152403440552345
736443234420215451
oct3567075064737551
9566003518346002
10131331121201001
1138934241139347
1212890a269226b5
135838619109357
142460662a4cd61
15102b35576a46b
hex7771e8d3bf69

131331121201001 has 8 divisors (see below), whose sum is σ = 131357727768960. Its totient is φ = 131304516985008.

The previous prime is 131331121200997. The next prime is 131331121201109. The reversal of 131331121201001 is 100102121133131.

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 131331121201001 - 22 = 131331121200997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131331721201001) 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, 113326640 + ... + 114479646.

It is an arithmetic number, because the mean of its divisors is an integer number (16419715971120).

Almost surely, 2131331121201001 is an apocalyptic number.

It is an amenable number.

131331121201001 is a deficient number, since it is larger than the sum of its proper divisors (26606567959).

131331121201001 is a wasteful number, since it uses less digits than its factorization.

131331121201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175983.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 131331121201001 its reverse (100102121133131), we get a palindrome (231433242334132).

The spelling of 131331121201001 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred one thousand, one".

Divisors: 1 7237 15739 1153007 113903143 8344311659 18147177173 131331121201001