1002131331454 has 16 divisors (see below), whose sum is σ = 1639866689136. Its totient is φ = 455509958400.

The previous prime is 1002131331449. The next prime is 1002131331457. The reversal of 1002131331454 is 4541331312001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002131331457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4206574 + ... + 4438414.

It is an arithmetic number, because the mean of its divisors is an integer number (102491668071).

Almost surely, 2^{1002131331454} is an apocalyptic number.

1002131331454 is a deficient number, since it is larger than the sum of its proper divisors (637735357682).

1002131331454 is a wasteful number, since it uses less digits than its factorization.

1002131331454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428331.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1002131331454 its reverse (4541331312001), we get a palindrome (5543462643455).

The spelling of 1002131331454 in words is "one trillion, two billion, one hundred thirty-one million, three hundred thirty-one thousand, four hundred fifty-four".