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31000111110011 = 359307732806073
BaseRepresentation
bin1110000110001110001101…
…00111000101011101111011
311001202120201001012011020202
413003013012213011131323
513030401211421010021
6145533130543112415
76346453436512151
oct703070647053573
9131676631164222
1031000111110011
1199720896065aa
1235880425a270b
13143b3b473b454
147925b04773d1
1538b5b618ba0b
hex1c31c69c577b

31000111110011 has 8 divisors (see below), whose sum is σ = 31087483659360. Its totient is φ = 30912744235072.

The previous prime is 31000111109971. The next prime is 31000111110019. The reversal of 31000111110011 is 11001111100013.

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 31000111110011 - 234 = 30982931240827 is a prime.

It is a super-2 number, since 2×310001111100112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31000111109974 and 31000111110001.

It is not an unprimeable number, because it can be changed into a prime (31000111110019) 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, 9644471 + ... + 12450543.

It is an arithmetic number, because the mean of its divisors is an integer number (3885935457420).

Almost surely, 231000111110011 is an apocalyptic number.

31000111110011 is a deficient number, since it is larger than the sum of its proper divisors (87372549349).

31000111110011 is a wasteful number, since it uses less digits than its factorization.

31000111110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837205.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 31000111110011 its reverse (11001111100013), we get a palindrome (42001222210024).

The spelling of 31000111110011 in words is "thirty-one trillion, one hundred eleven million, one hundred ten thousand, eleven".

Divisors: 1 359 30773 2806073 11047507 1007380207 86351284429 31000111110011