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103031031331011 = 374906239587191
BaseRepresentation
bin10111011011010011001000…
…000001011111100011000011
3111111210200002201111202021210
4113123103020001133203003
5102001030023010043021
61003043445151221203
730462514001310210
oct2733231001374303
9444720081452253
10103031031331011
112a91324019a163
12b68012bb17803
134564a278c7b74
141b62a2b0d8b07
15bda11845be76
hex5db4c805f8c3

103031031331011 has 8 divisors (see below), whose sum is σ = 156999666790144. Its totient is φ = 58874875046280.

The previous prime is 103031031330979. The next prime is 103031031331061. The reversal of 103031031331011 is 110133130130301.

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

It is not a de Polignac number, because 103031031331011 - 25 = 103031031330979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4906239587191 = 103031031331011 / (1 + 0 + 3 + 0 + 3 + 1 + 0 + 3 + 1 + 3 + 3 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103031031331061) 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 7 ways as a sum of consecutive naturals, for example, 2453119793575 + ... + 2453119793616.

It is an arithmetic number, because the mean of its divisors is an integer number (19624958348768).

Almost surely, 2103031031331011 is an apocalyptic number.

103031031331011 is a deficient number, since it is larger than the sum of its proper divisors (53968635459133).

103031031331011 is an equidigital number, since it uses as much as digits as its factorization.

103031031331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906239587201.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 103031031331011 its reverse (110133130130301), we get a palindrome (213164161461312).

The spelling of 103031031331011 in words is "one hundred three trillion, thirty-one billion, thirty-one million, three hundred thirty-one thousand, eleven".

Divisors: 1 3 7 21 4906239587191 14718718761573 34343677110337 103031031331011