1023231331519 has 2 divisors, whose sum is σ = 1023231331520. Its totient is φ = 1023231331518.

The previous prime is 1023231331513. The next prime is 1023231331553. The reversal of 1023231331519 is 9151331323201.

It is an a-pointer prime, because the next prime (1023231331553) can be obtained adding 1023231331519 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023231331519 - 2²⁷ = 1023097113791 is a prime.

It is a super-2 number, since 2×1023231331519² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023231331513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511615665759 + 511615665760.

It is an arithmetic number, because the mean of its divisors is an integer number (511615665760).

Almost surely, 2^{1023231331519} is an apocalyptic number.

1023231331519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023231331519 is an equidigital number, since it uses as much as digits as its factorization.

1023231331519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The spelling of 1023231331519 in words is "one trillion, twenty-three billion, two hundred thirty-one million, three hundred thirty-one thousand, five hundred nineteen".