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30023021232311 = 31968484555881
BaseRepresentation
bin1101101001110010001111…
…00001000000000010110111
310221022011122222012112022212
412310321013201000002313
512413344121413413221
6143504215140044035
76216043311546452
oct664710741000267
9127264588175285
1030023021232311
119625767872688
12344a7b509361b
13139a20aa236c3
1475b19ca04499
15370e7adceb5b
hex1b4e478400b7

30023021232311 has 4 divisors (see below), whose sum is σ = 30991505788224. Its totient is φ = 29054536676400.

The previous prime is 30023021232299. The next prime is 30023021232341. The reversal of 30023021232311 is 11323212032003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30023021232311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023021232341) 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, 484242277910 + ... + 484242277971.

It is an arithmetic number, because the mean of its divisors is an integer number (7747876447056).

Almost surely, 230023021232311 is an apocalyptic number.

30023021232311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30023021232311 is a deficient number, since it is larger than the sum of its proper divisors (968484555913).

30023021232311 is an equidigital number, since it uses as much as digits as its factorization.

30023021232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968484555912.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30023021232311 its reverse (11323212032003), we get a palindrome (41346233264314).

The spelling of 30023021232311 in words is "thirty trillion, twenty-three billion, twenty-one million, two hundred thirty-two thousand, three hundred eleven".

Divisors: 1 31 968484555881 30023021232311