1023331030987 has 2 divisors, whose sum is σ = 1023331030988. Its totient is φ = 1023331030986.

The previous prime is 1023331030979. The next prime is 1023331031071. The reversal of 1023331030987 is 7890301333201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023331030987 - 2³ = 1023331030979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023331030387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511665515493 + 511665515494.

It is an arithmetic number, because the mean of its divisors is an integer number (511665515494).

Almost surely, 2^{1023331030987} is an apocalyptic number.

1023331030987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023331030987 is an equidigital number, since it uses as much as digits as its factorization.

1023331030987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 1023331030987 in words is "one trillion, twenty-three billion, three hundred thirty-one million, thirty thousand, nine hundred eighty-seven".