1002411252431 has 4 divisors (see below), whose sum is σ = 1012745389152. Its totient is φ = 992077115712.

The previous prime is 1002411252391. The next prime is 1002411252433. The reversal of 1002411252431 is 1342521142001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002411252431 - 2³⁴ = 985231383247 is a prime.

It is a super-2 number, since 2×1002411252431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002411252431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002411252433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5167068215 + ... + 5167068408.

It is an arithmetic number, because the mean of its divisors is an integer number (253186347288).

Almost surely, 2^{1002411252431} is an apocalyptic number.

1002411252431 is a deficient number, since it is larger than the sum of its proper divisors (10334136721).

1002411252431 is an equidigital number, since it uses as much as digits as its factorization.

1002411252431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10334136720.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1002411252431 its reverse (1342521142001), we get a palindrome (2344932394432).

The spelling of 1002411252431 in words is "one trillion, two billion, four hundred eleven million, two hundred fifty-two thousand, four hundred thirty-one".