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1031040077 is a prime number
BaseRepresentation
bin111101011101000…
…110110001001101
32122212002021002112
4331131012301031
54102421240302
6250150433405
734356460514
oct7535066115
92585067075
101031040077
11489aa4741
12249362865
131357b76b2
149ad0b67b
15607b3552
hex3d746c4d

1031040077 has 2 divisors, whose sum is σ = 1031040078. Its totient is φ = 1031040076.

The previous prime is 1031040007. The next prime is 1031040083. The reversal of 1031040077 is 7700401301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932752681 + 98287396 = 30541^2 + 9914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031040077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031040007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515520038 + 515520039.

It is an arithmetic number, because the mean of its divisors is an integer number (515520039).

Almost surely, 21031040077 is an apocalyptic number.

It is an amenable number.

1031040077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031040077 is an equidigital number, since it uses as much as digits as its factorization.

1031040077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 1031040077 is about 32109.8127836336. The cubic root of 1031040077 is about 1010.2414470304.

Adding to 1031040077 its reverse (7700401301), we get a palindrome (8731441378).

The spelling of 1031040077 in words is "one billion, thirty-one million, forty thousand, seventy-seven".