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3131240441 = 72411185533
BaseRepresentation
bin1011101010100010…
…1110111111111001
322002012222111101012
42322220232333321
522403044143231
61234413203305
7140411050610
oct27250567771
98065874335
103131240441
11136755a31a
12734790535
133ab9457c4
14219c0a877
15134d69e2b
hexbaa2eff9

3131240441 has 8 divisors (see below), whose sum is σ = 3580064064. Its totient is φ = 2682792720.

The previous prime is 3131240423. The next prime is 3131240443. The reversal of 3131240441 is 1440421313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3131240441 - 222 = 3127046137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131240443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75890 + ... + 109643.

It is an arithmetic number, because the mean of its divisors is an integer number (447508008).

Almost surely, 23131240441 is an apocalyptic number.

It is an amenable number.

3131240441 is a deficient number, since it is larger than the sum of its proper divisors (448823623).

3131240441 is a wasteful number, since it uses less digits than its factorization.

3131240441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187951.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3131240441 is about 55957.4878010084. The cubic root of 3131240441 is about 1462.9814039047.

Adding to 3131240441 its reverse (1440421313), we get a palindrome (4571661754).

The spelling of 3131240441 in words is "three billion, one hundred thirty-one million, two hundred forty thousand, four hundred forty-one".

Divisors: 1 7 2411 16877 185533 1298731 447320063 3131240441