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541221131 = 1149201921
BaseRepresentation
bin100000010000100…
…110000100001011
31101201101212211002
4200100212010023
52102023034011
6125412125215
716261206113
oct4020460413
91351355732
10541221131
112585614a0
1213130680b
13881886b9
1451c46043
15327abc3b
hex2042610b

541221131 has 4 divisors (see below), whose sum is σ = 590423064. Its totient is φ = 492019200.

The previous prime is 541221077. The next prime is 541221151. The reversal of 541221131 is 131122145.

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 541221131 - 26 = 541221067 is a prime.

It is a super-2 number, since 2×5412211312 = 585840625281838322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (541221151) 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, 24600950 + ... + 24600971.

It is an arithmetic number, because the mean of its divisors is an integer number (147605766).

Almost surely, 2541221131 is an apocalyptic number.

541221131 is a deficient number, since it is larger than the sum of its proper divisors (49201933).

541221131 is a wasteful number, since it uses less digits than its factorization.

541221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49201932.

The product of its digits is 240, while the sum is 20.

The square root of 541221131 is about 23264.1597957029. The cubic root of 541221131 is about 814.9386486995.

Adding to 541221131 its reverse (131122145), we get a palindrome (672343276).

The spelling of 541221131 in words is "five hundred forty-one million, two hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 11 49201921 541221131