1310131221003 has 48 divisors (see below), whose sum is σ = 2122870744800. Its totient is φ = 771602250240.

The previous prime is 1310131220969. The next prime is 1310131221019. The reversal of 1310131221003 is 3001221310131.

1310131221003 is a `hidden beast` number, since 1 + 310 + 131 + 221 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 1310131221003 - 2¹³ = 1310131212811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310131291003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2742313 + ... + 3184421.

It is an arithmetic number, because the mean of its divisors is an integer number (44226473850).

Almost surely, 2^{1310131221003} is an apocalyptic number.

1310131221003 is a deficient number, since it is larger than the sum of its proper divisors (812739523797).

1310131221003 is a wasteful number, since it uses less digits than its factorization.

1310131221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442972 (or 442969 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1310131221003 its reverse (3001221310131), we get a palindrome (4311352531134).

The spelling of 1310131221003 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, two hundred twenty-one thousand, three".