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131000032410121 = 718714290344303
BaseRepresentation
bin11101110010010011010010…
…011001011011101000001001
3122011211110222111102022120201
4131302103102121123220021
5114132301031244110441
61142340330055052201
736410303632014610
oct3562232231335011
9564743874368521
10131000032410121
113881689014a346
1212838825971061
13581333348a9c4
14244c614a40877
151022928ab2c31
hex7724d265ba09

131000032410121 has 4 divisors (see below), whose sum is σ = 149714322754432. Its totient is φ = 112285742065812.

The previous prime is 131000032410101. The next prime is 131000032410217. The reversal of 131000032410121 is 121014230000131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131000032410121 - 223 = 131000024021513 is a prime.

It is a super-2 number, since 2×1310000324101212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131000032410101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9357145172145 + ... + 9357145172158.

It is an arithmetic number, because the mean of its divisors is an integer number (37428580688608).

Almost surely, 2131000032410121 is an apocalyptic number.

It is an amenable number.

131000032410121 is a deficient number, since it is larger than the sum of its proper divisors (18714290344311).

131000032410121 is an equidigital number, since it uses as much as digits as its factorization.

131000032410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714290344310.

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

Adding to 131000032410121 its reverse (121014230000131), we get a palindrome (252014262410252).

The spelling of 131000032410121 in words is "one hundred thirty-one trillion, thirty-two million, four hundred ten thousand, one hundred twenty-one".

Divisors: 1 7 18714290344303 131000032410121