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100031310329 = 919671087687
BaseRepresentation
bin101110100101001010…
…1001010100111111001
3100120012100120001221112
41131022111022213321
53114331003412304
6113542002050105
710140604052156
oct1351225124771
9316170501845
10100031310329
1139472081005
1217478349935
139582152c72
144bad29122d
152906d71b6e
hex174a54a9f9

100031310329 has 4 divisors (see below), whose sum is σ = 100032489984. Its totient is φ = 100030130676.

The previous prime is 100031310317. The next prime is 100031310343. The reversal of 100031310329 is 923013130001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 923013130001 = 5915644290339.

It is a cyclic number.

It is not a de Polignac number, because 100031310329 - 28 = 100031310073 is a prime.

It is a super-2 number, since 2×1000313103292 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100031310389) 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, 451877 + ... + 635810.

It is an arithmetic number, because the mean of its divisors is an integer number (25008122496).

Almost surely, 2100031310329 is an apocalyptic number.

It is an amenable number.

100031310329 is a deficient number, since it is larger than the sum of its proper divisors (1179655).

100031310329 is an equidigital number, since it uses as much as digits as its factorization.

100031310329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179654.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 100031310329 in words is "one hundred billion, thirty-one million, three hundred ten thousand, three hundred twenty-nine".

Divisors: 1 91967 1087687 100031310329