2503143242331 has 16 divisors (see below), whose sum is σ = 3428757228288. Its totient is φ = 1623172802400.

The previous prime is 2503143242269. The next prime is 2503143242339. The reversal of 2503143242331 is 1332423413052.

It is a de Polignac number, because none of the positive numbers 2^k-2503143242331 is a prime.

It is a super-2 number, since 2×2503143242331² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2503143242292 and 2503143242301.

It is not an unprimeable number, because it can be changed into a prime (2503143242339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015255 + ... + 3754736.

It is an arithmetic number, because the mean of its divisors is an integer number (214297326768).

Almost surely, 2^{2503143242331} is an apocalyptic number.

2503143242331 is a deficient number, since it is larger than the sum of its proper divisors (925613985957).

2503143242331 is a wasteful number, since it uses less digits than its factorization.

2503143242331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773362.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 2503143242331 its reverse (1332423413052), we get a palindrome (3835566655383).

The spelling of 2503143242331 in words is "two trillion, five hundred three billion, one hundred forty-three million, two hundred forty-two thousand, three hundred thirty-one".