5211231031002 has 32 divisors (see below), whose sum is σ = 10612582272000. Its totient is φ = 1705465132848.

The previous prime is 5211231030977. The next prime is 5211231031007. The reversal of 5211231031002 is 2001301321125.

It is a self number, because there is not a number n which added to its sum of digits gives 5211231031002.

It is not an unprimeable number, because it can be changed into a prime (5211231031007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9074002 + ... + 9631197.

It is an arithmetic number, because the mean of its divisors is an integer number (331643196000).

Almost surely, 2^{5211231031002} is an apocalyptic number.

5211231031002 is an abundant number, since it is smaller than the sum of its proper divisors (5401351240998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5211231031002 is a wasteful number, since it uses less digits than its factorization.

5211231031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18706050.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 5211231031002 its reverse (2001301321125), we get a palindrome (7212532352127).

The spelling of 5211231031002 in words is "five trillion, two hundred eleven billion, two hundred thirty-one million, thirty-one thousand, two".