1012321319 has 2 divisors, whose sum is σ = 1012321320. Its totient is φ = 1012321318.

The previous prime is 1012321307. The next prime is 1012321361. The reversal of 1012321319 is 9131232101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012321319 is a prime.

It is a super-2 number, since 2×1012321319² = 2049588905803799522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012321294 and 1012321303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012321619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506160659 + 506160660.

It is an arithmetic number, because the mean of its divisors is an integer number (506160660).

Almost surely, 2^1012321319 is an apocalyptic number.

1012321319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012321319 is an equidigital number, since it uses as much as digits as its factorization.

1012321319 is an evil number, because the sum of its binary digits is even.

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

The square root of 1012321319 is about 31816.9973284721. The cubic root of 1012321319 is about 1004.0903525376.

The spelling of 1012321319 in words is "one billion, twelve million, three hundred twenty-one thousand, three hundred nineteen".