1031321132303 has 36 divisors (see below), whose sum is σ = 1396248080976. Its totient is φ = 756354614400.

The previous prime is 1031321132263. The next prime is 1031321132311. The reversal of 1031321132303 is 3032311231301.

It is not a de Polignac number, because 1031321132303 - 2²⁶ = 1031254023439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031321132333) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5015243 + ... + 5216828.

It is an arithmetic number, because the mean of its divisors is an integer number (38784668916).

Almost surely, 2^{1031321132303} is an apocalyptic number.

1031321132303 is a deficient number, since it is larger than the sum of its proper divisors (364926948673).

1031321132303 is a wasteful number, since it uses less digits than its factorization.

1031321132303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232124 (or 10232106 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1031321132303 its reverse (3032311231301), we get a palindrome (4063632363604).

The spelling of 1031321132303 in words is "one trillion, thirty-one billion, three hundred twenty-one million, one hundred thirty-two thousand, three hundred three".