Search a number
-
+
311672106461 is a prime number
BaseRepresentation
bin1001000100100010001…
…10101110110111011101
31002210110222001110201102
410202101012232313131
520101301024401321
6355102530522445
731342345123262
oct4422106566735
91083428043642
10311672106461
111101a7862681
12504a2436425
132351007a391
14111293a9269
158192260c0b
hex48911aeddd

311672106461 has 2 divisors, whose sum is σ = 311672106462. Its totient is φ = 311672106460.

The previous prime is 311672106437. The next prime is 311672106479. The reversal of 311672106461 is 164601276113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252571579225 + 59100527236 = 502565^2 + 243106^2 .

It is a cyclic number.

It is not a de Polignac number, because 311672106461 - 26 = 311672106397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311672106401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155836053230 + 155836053231.

It is an arithmetic number, because the mean of its divisors is an integer number (155836053231).

Almost surely, 2311672106461 is an apocalyptic number.

It is an amenable number.

311672106461 is a deficient number, since it is larger than the sum of its proper divisors (1).

311672106461 is an equidigital number, since it uses as much as digits as its factorization.

311672106461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 311672106461 in words is "three hundred eleven billion, six hundred seventy-two million, one hundred six thousand, four hundred sixty-one".