5021131151231 has 8 divisors (see below), whose sum is σ = 5407457803440. Its totient is φ = 4634816755392.

The previous prime is 5021131151221. The next prime is 5021131151243. The reversal of 5021131151231 is 1321511311205.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5021131151231 is a prime.

It is a super-2 number, since 2×5021131151231² (a number of 26 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 5021131151231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021131151221) 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 7 ways as a sum of consecutive naturals, for example, 2204285 + ... + 3860198.

It is an arithmetic number, because the mean of its divisors is an integer number (675932225430).

Almost surely, 2^{5021131151231} is an apocalyptic number.

5021131151231 is a deficient number, since it is larger than the sum of its proper divisors (386326652209).

5021131151231 is a wasteful number, since it uses less digits than its factorization.

5021131151231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128185.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 5021131151231 its reverse (1321511311205), we get a palindrome (6342642462436).

The spelling of 5021131151231 in words is "five trillion, twenty-one billion, one hundred thirty-one million, one hundred fifty-one thousand, two hundred thirty-one".