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1031223407 is a prime number
BaseRepresentation
bin111101011101110…
…011100001101111
32122212102120120112
4331131303201233
54102443122112
6250154410235
734361153144
oct7535634157
92585376515
101031223407
1148a10a455
1224943097b
1313584cc86
149ad583cb
15607eca22
hex3d77386f

1031223407 has 2 divisors, whose sum is σ = 1031223408. Its totient is φ = 1031223406.

The previous prime is 1031223397. The next prime is 1031223437. The reversal of 1031223407 is 7043221301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031223407 - 210 = 1031222383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031223437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515611703 + 515611704.

It is an arithmetic number, because the mean of its divisors is an integer number (515611704).

Almost surely, 21031223407 is an apocalyptic number.

1031223407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031223407 is an equidigital number, since it uses as much as digits as its factorization.

1031223407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1031223407 is about 32112.6673915450. The cubic root of 1031223407 is about 1010.3013207418.

Adding to 1031223407 its reverse (7043221301), we get a palindrome (8074444708).

The spelling of 1031223407 in words is "one billion, thirty-one million, two hundred twenty-three thousand, four hundred seven".