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6131342947 is a prime number
BaseRepresentation
bin1011011010111010…
…01101111001100011
3120211022012111022211
411231131031321203
5100024110433242
62452223542551
7304640361262
oct55535157143
916738174284
106131342947
112666a8a784
12123145aa57
137693648a2
1442243c5d9
1525d42e317
hex16d74de63

6131342947 has 2 divisors, whose sum is σ = 6131342948. Its totient is φ = 6131342946.

The previous prime is 6131342939. The next prime is 6131342981. The reversal of 6131342947 is 7492431316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6131342947 - 23 = 6131342939 is a prime.

It is not a weakly prime, because it can be changed into another prime (6131342447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065671473 + 3065671474.

It is an arithmetic number, because the mean of its divisors is an integer number (3065671474).

Almost surely, 26131342947 is an apocalyptic number.

6131342947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131342947 is an equidigital number, since it uses as much as digits as its factorization.

6131342947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 6131342947 is about 78302.8923284447. The cubic root of 6131342947 is about 1830.2842230265.

The spelling of 6131342947 in words is "six billion, one hundred thirty-one million, three hundred forty-two thousand, nine hundred forty-seven".