2131030143503 has 8 divisors (see below), whose sum is σ = 2253071521920. Its totient is φ = 2009976954840.

The previous prime is 2131030143499. The next prime is 2131030143509. The reversal of 2131030143503 is 3053410301312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131030143503 - 2² = 2131030143499 is a prime.

It is a super-2 number, since 2×2131030143503² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131030143509) 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, 247043003 + ... + 247051628.

It is an arithmetic number, because the mean of its divisors is an integer number (281633940240).

Almost surely, 2^{2131030143503} is an apocalyptic number.

2131030143503 is a deficient number, since it is larger than the sum of its proper divisors (122041378417).

2131030143503 is a wasteful number, since it uses less digits than its factorization.

2131030143503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494094877.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 2131030143503 its reverse (3053410301312), we get a palindrome (5184440444815).

The spelling of 2131030143503 in words is "two trillion, one hundred thirty-one billion, thirty million, one hundred forty-three thousand, five hundred three".