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3130434431 is a prime number
BaseRepresentation
bin1011101010010110…
…1010001101111111
322002011110112201222
42322211222031333
522402342400211
61234344023555
7140401152665
oct27245521577
98064415658
103130434431
1113670597a3
12734461bbb
133ab722987
14219a7ac35
15134c5b1db
hexba96a37f

3130434431 has 2 divisors, whose sum is σ = 3130434432. Its totient is φ = 3130434430.

The previous prime is 3130434427. The next prime is 3130434457. The reversal of 3130434431 is 1344340313.

It is a happy number.

It is an a-pointer prime, because the next prime (3130434457) can be obtained adding 3130434431 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3130434431 - 22 = 3130434427 is a prime.

It is a super-2 number, since 2×31304344312 = 19599239453580587522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3130434431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130434421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565217215 + 1565217216.

It is an arithmetic number, because the mean of its divisors is an integer number (1565217216).

Almost surely, 23130434431 is an apocalyptic number.

3130434431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130434431 is an equidigital number, since it uses as much as digits as its factorization.

3130434431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3130434431 is about 55950.2853522661. The cubic root of 3130434431 is about 1462.8558648566.

Adding to 3130434431 its reverse (1344340313), we get a palindrome (4474774744).

The spelling of 3130434431 in words is "three billion, one hundred thirty million, four hundred thirty-four thousand, four hundred thirty-one".