1031212319 has 2 divisors, whose sum is σ = 1031212320. Its totient is φ = 1031212318.

The previous prime is 1031212313. The next prime is 1031212331. The reversal of 1031212319 is 9132121301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031212319 - 2¹⁶ = 1031146783 is a prime.

It is a super-2 number, since 2×1031212319² = 2126797693714715522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031212294 and 1031212303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031212313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515606159 + 515606160.

It is an arithmetic number, because the mean of its divisors is an integer number (515606160).

Almost surely, 2^1031212319 is an apocalyptic number.

1031212319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031212319 is an equidigital number, since it uses as much as digits as its factorization.

1031212319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1031212319 is about 32112.4947489291. The cubic root of 1031212319 is about 1010.2976997156.

The spelling of 1031212319 in words is "one billion, thirty-one million, two hundred twelve thousand, three hundred nineteen".