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131045333030113 = 314227268807423
BaseRepresentation
bin11101110010111101011110…
…100001100101010011100001
3122011222210220120112020202011
4131302331132201211103201
5114134021320223430423
61142413221144352521
736413466341644165
oct3562753641452341
9564883816466664
10131045333030113
1138834017172667
1212845568a75741
1358176a2755ba8
1424508b11a4ca5
151023bcaad3b0d
hex772f5e8654e1

131045333030113 has 4 divisors (see below), whose sum is σ = 135272601837568. Its totient is φ = 126818064222660.

The previous prime is 131045333030063. The next prime is 131045333030239. The reversal of 131045333030113 is 311030333540131.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131045333030113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 4227268807423 = 131045333030113 / (1 + 3 + 1 + 0 + 4 + 5 + 3 + 3 + 3 + 0 + 3 + 0 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131045333030713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113634403681 + ... + 2113634403742.

It is an arithmetic number, because the mean of its divisors is an integer number (33818150459392).

Almost surely, 2131045333030113 is an apocalyptic number.

It is an amenable number.

131045333030113 is a deficient number, since it is larger than the sum of its proper divisors (4227268807455).

131045333030113 is an equidigital number, since it uses as much as digits as its factorization.

131045333030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227268807454.

The product of its (nonzero) digits is 14580, while the sum is 31.

Adding to 131045333030113 its reverse (311030333540131), we get a palindrome (442075666570244).

The spelling of 131045333030113 in words is "one hundred thirty-one trillion, forty-five billion, three hundred thirty-three million, thirty thousand, one hundred thirteen".

Divisors: 1 31 4227268807423 131045333030113