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3112031431 is a prime number
BaseRepresentation
bin1011100101111101…
…1101010011000111
322000212211120120101
42321133131103013
522333140001211
61232445344531
7140055554635
oct27137352307
98025746511
103112031431
11135772a303
1272a268147
133a797b422
1421744a355
151333235c1
hexb97dd4c7

3112031431 has 2 divisors, whose sum is σ = 3112031432. Its totient is φ = 3112031430.

The previous prime is 3112031401. The next prime is 3112031467. The reversal of 3112031431 is 1341302113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3112031431 - 219 = 3111507143 is a prime.

It is a super-2 number, since 2×31120314312 = 19369479255063815522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3112031399 and 3112031408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112031401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556015715 + 1556015716.

It is an arithmetic number, because the mean of its divisors is an integer number (1556015716).

Almost surely, 23112031431 is an apocalyptic number.

3112031431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112031431 is an equidigital number, since it uses as much as digits as its factorization.

3112031431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3112031431 is about 55785.5844372003. The cubic root of 3112031431 is about 1459.9836476244.

Adding to 3112031431 its reverse (1341302113), we get a palindrome (4453333544).

The spelling of 3112031431 in words is "three billion, one hundred twelve million, thirty-one thousand, four hundred thirty-one".