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30120231131323 = 40917362559553
BaseRepresentation
bin1101101100100111010011…
…01011010101100010111011
310221122110120200210001112221
412312103221223111202323
512421442213132200243
6144021013153344511
76226054256215654
oct666235153254273
9127573520701487
1030120231131323
119662a112715a3
123465604568137
1313a64304907c8
14761b8129a52b
1537376a1d7bed
hex1b64e9ad58bb

30120231131323 has 4 divisors (see below), whose sum is σ = 30127593694968. Its totient is φ = 30112868567680.

The previous prime is 30120231131321. The next prime is 30120231131327. The reversal of 30120231131323 is 32313113202103.

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

It is a cyclic number.

It is not a de Polignac number, because 30120231131323 - 21 = 30120231131321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120231131321) 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, 3681275686 + ... + 3681283867.

It is an arithmetic number, because the mean of its divisors is an integer number (7531898423742).

Almost surely, 230120231131323 is an apocalyptic number.

30120231131323 is a deficient number, since it is larger than the sum of its proper divisors (7362563645).

30120231131323 is an equidigital number, since it uses as much as digits as its factorization.

30120231131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362563644.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30120231131323 its reverse (32313113202103), we get a palindrome (62433344333426).

The spelling of 30120231131323 in words is "thirty trillion, one hundred twenty billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 4091 7362559553 30120231131323