1002431012377 has 2 divisors, whose sum is σ = 1002431012378. Its totient is φ = 1002431012376.

The previous prime is 1002431012353. The next prime is 1002431012381. The reversal of 1002431012377 is 7732101342001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990942602521 + 11488409856 = 995461^2 + 107184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002431012377 - 2³¹ = 1000283528729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002431019377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501215506188 + 501215506189.

It is an arithmetic number, because the mean of its divisors is an integer number (501215506189).

Almost surely, 2^{1002431012377} is an apocalyptic number.

It is an amenable number.

1002431012377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002431012377 is an equidigital number, since it uses as much as digits as its factorization.

1002431012377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

Adding to 1002431012377 its reverse (7732101342001), we get a palindrome (8734532354378).

The spelling of 1002431012377 in words is "one trillion, two billion, four hundred thirty-one million, twelve thousand, three hundred seventy-seven".