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3132311420 = 225722373653
BaseRepresentation
bin1011101010110011…
…0100011101111100
322002021222220111002
42322230310131330
522403332431140
61234452145432
7140423131160
oct27254643574
98067886432
103132311420
111368120a27
12735008278
133abc2c114
1421a008ca0
15134ecc415
hexbab3477c

3132311420 has 24 divisors (see below), whose sum is σ = 7517547744. Its totient is φ = 1073935296.

The previous prime is 3132311411. The next prime is 3132311447. The reversal of 3132311420 is 241132313.

It is a super-2 number, since 2×31323114202 = 19622749663724832800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3132311392 and 3132311401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11186687 + ... + 11186966.

It is an arithmetic number, because the mean of its divisors is an integer number (313231156).

Almost surely, 23132311420 is an apocalyptic number.

It is an amenable number.

3132311420 is an abundant number, since it is smaller than the sum of its proper divisors (4385236324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3132311420 is a wasteful number, since it uses less digits than its factorization.

3132311420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22373669 (or 22373667 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3132311420 is about 55967.0565600872. The cubic root of 3132311420 is about 1463.1481795315.

Adding to 3132311420 its reverse (241132313), we get a palindrome (3373443733).

The spelling of 3132311420 in words is "three billion, one hundred thirty-two million, three hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 22373653 44747306 89494612 111868265 156615571 223736530 313231142 447473060 626462284 783077855 1566155710 3132311420