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3050031431 = 97101311323
BaseRepresentation
bin1011010111001011…
…1100100101000111
321212120011122120002
42311302330211013
522221302001211
61222352431515
7135403560626
oct26562744507
97776148502
103050031431
111325732837
1271154859b
13397b81035
1420d10b6bd
1512cb7803b
hexb5cbc947

3050031431 has 8 divisors (see below), whose sum is σ = 3111994704. Its totient is φ = 2988691200.

The previous prime is 3050031401. The next prime is 3050031493. The reversal of 3050031431 is 1341300503.

It is a happy number.

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 3050031431 - 26 = 3050031367 is a prime.

It is a super-2 number, since 2×30500314312 = 18605383460175815522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3050031401) 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, 145865 + ... + 165458.

It is an arithmetic number, because the mean of its divisors is an integer number (388999338).

Almost surely, 23050031431 is an apocalyptic number.

3050031431 is a deficient number, since it is larger than the sum of its proper divisors (61963273).

3050031431 is a wasteful number, since it uses less digits than its factorization.

3050031431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311521.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3050031431 is about 55227.0896481066. The cubic root of 3050031431 is about 1450.2229432862. Note that the first 3 decimals are identical.

Adding to 3050031431 its reverse (1341300503), we get a palindrome (4391331934).

The spelling of 3050031431 in words is "three billion, fifty million, thirty-one thousand, four hundred thirty-one".

Divisors: 1 97 101 9797 311323 30198331 31443623 3050031431