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30311000123111 = 751118734002403
BaseRepresentation
bin1101110010001010101000…
…11001010010011011100111
310222022200222201021221100022
412321011110121102123213
512433103412012414421
6144244403051105355
76245616560666411
oct671052431223347
9128280881257308
1030311000123111
1197269063aa694
12349658474225b
1313bb413209536
1476b0bb3d19b1
153786d304d7ab
hex1b91546526e7

30311000123111 has 8 divisors (see below), whose sum is σ = 30376931675904. Its totient is φ = 30245136579000.

The previous prime is 30311000123077. The next prime is 30311000123149. The reversal of 30311000123111 is 11132100011303.

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 30311000123111 - 210 = 30311000122087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30311000123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311000123311) 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, 16109765 + ... + 17892638.

It is an arithmetic number, because the mean of its divisors is an integer number (3797116459488).

Almost surely, 230311000123111 is an apocalyptic number.

30311000123111 is a deficient number, since it is larger than the sum of its proper divisors (65931552793).

30311000123111 is a wasteful number, since it uses less digits than its factorization.

30311000123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34004341.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 30311000123111 its reverse (11132100011303), we get a palindrome (41443100134414).

The spelling of 30311000123111 in words is "thirty trillion, three hundred eleven billion, one hundred twenty-three thousand, one hundred eleven".

Divisors: 1 751 1187 891437 34002403 25535804653 40360852361 30311000123111