1000031212307 has 2 divisors, whose sum is σ = 1000031212308. Its totient is φ = 1000031212306.

The previous prime is 1000031212283. The next prime is 1000031212343. The reversal of 1000031212307 is 7032121300001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000031212307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000031112307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500015606153 + 500015606154.

It is an arithmetic number, because the mean of its divisors is an integer number (500015606154).

Almost surely, 2^{1000031212307} is an apocalyptic number.

1000031212307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000031212307 is an equidigital number, since it uses as much as digits as its factorization.

1000031212307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 1000031212307 its reverse (7032121300001), we get a palindrome (8032152512308).

The spelling of 1000031212307 in words is "one trillion, thirty-one million, two hundred twelve thousand, three hundred seven".