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30210110013131 = 258113117042187
BaseRepresentation
bin1101101111001110101101…
…11000000011111011001011
310221222001120111202022202022
412313213112320003323023
512424430301130410011
6144130155525555055
76235415455133156
oct667472670037313
9127861514668668
1030210110013131
119698043587804
12347ab08875a8b
1313b1a55186bc9
1476626a06ac9d
15375c7aadc8db
hex1b79d6e03ecb

30210110013131 has 4 divisors (see below), whose sum is σ = 30210227313432. Its totient is φ = 30209992712832.

The previous prime is 30210110013121. The next prime is 30210110013179. The reversal of 30210110013131 is 13131001101203.

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 30210110013131 - 214 = 30210109996747 is a prime.

It is a super-2 number, since 2×302101100131312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30210110013121) 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, 58262981 + ... + 58779206.

It is an arithmetic number, because the mean of its divisors is an integer number (7552556828358).

Almost surely, 230210110013131 is an apocalyptic number.

30210110013131 is a deficient number, since it is larger than the sum of its proper divisors (117300301).

30210110013131 is a wasteful number, since it uses less digits than its factorization.

30210110013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117300300.

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

Adding to 30210110013131 its reverse (13131001101203), we get a palindrome (43341111114334).

The spelling of 30210110013131 in words is "thirty trillion, two hundred ten billion, one hundred ten million, thirteen thousand, one hundred thirty-one".

Divisors: 1 258113 117042187 30210110013131