[go: up one dir, main page]

Search a number
-
+
3145455431 is a prime number
BaseRepresentation
bin1011101101111011…
…1101011101000111
322010012201200200022
42323132331131013
522420214033211
61240042005355
7140642633666
oct27336753507
98105650608
103145455431
111374589248
127394a685b
133b1881a41
1421ba6addd
15136226bdb
hexbb7bd747

3145455431 has 2 divisors, whose sum is σ = 3145455432. Its totient is φ = 3145455430.

The previous prime is 3145455407. The next prime is 3145455437. The reversal of 3145455431 is 1345545413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3145455431 - 210 = 3145454407 is a prime.

It is a super-2 number, since 2×31454554312 = 19787779736814791522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3145455391 and 3145455400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145455437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572727715 + 1572727716.

It is an arithmetic number, because the mean of its divisors is an integer number (1572727716).

Almost surely, 23145455431 is an apocalyptic number.

3145455431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145455431 is an equidigital number, since it uses as much as digits as its factorization.

3145455431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 35.

The square root of 3145455431 is about 56084.3599499896. The cubic root of 3145455431 is about 1465.1919096907.

The spelling of 3145455431 in words is "three billion, one hundred forty-five million, four hundred fifty-five thousand, four hundred thirty-one".