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3320420131 = 7474345733
BaseRepresentation
bin1100010111101001…
…1001011100100011
322120101221211010101
43011322121130203
523300011421011
61305252043231
7145166051110
oct30572313443
98511854111
103320420131
111454321876
12788003517
1340bbb1a52
14236db3907
151467882c1
hexc5e99723

3320420131 has 4 divisors (see below), whose sum is σ = 3794765872. Its totient is φ = 2846074392.

The previous prime is 3320420023. The next prime is 3320420141. The reversal of 3320420131 is 1310240233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310240233 = 9291410377.

It is not a de Polignac number, because 3320420131 - 211 = 3320418083 is a prime.

It is a super-2 number, since 2×33204201312 = 22050379692700114322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3320420099 and 3320420108.

It is not an unprimeable number, because it can be changed into a prime (3320420141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237172860 + ... + 237172873.

It is an arithmetic number, because the mean of its divisors is an integer number (948691468).

Almost surely, 23320420131 is an apocalyptic number.

3320420131 is a deficient number, since it is larger than the sum of its proper divisors (474345741).

3320420131 is an equidigital number, since it uses as much as digits as its factorization.

3320420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474345740.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3320420131 is about 57623.0867881963. The cubic root of 3320420131 is about 1491.8701096772.

Adding to 3320420131 its reverse (1310240233), we get a palindrome (4630660364).

It can be divided in two parts, 33204 and 20131, that added together give a palindrome (53335).

The spelling of 3320420131 in words is "three billion, three hundred twenty million, four hundred twenty thousand, one hundred thirty-one".

Divisors: 1 7 474345733 3320420131