1031203321313 has 8 divisors (see below), whose sum is σ = 1126231812480. Its totient is φ = 936388619280.

The previous prime is 1031203321303. The next prime is 1031203321331. The reversal of 1031203321313 is 3131233021301.

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 1031203321313 - 2³⁴ = 1014023452129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031203321303) 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, 53437193 + ... + 53456486.

It is an arithmetic number, because the mean of its divisors is an integer number (140778976560).

Almost surely, 2^{1031203321313} is an apocalyptic number.

It is an amenable number.

1031203321313 is a deficient number, since it is larger than the sum of its proper divisors (95028491167).

1031203321313 is a wasteful number, since it uses less digits than its factorization.

1031203321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106894567.

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

Adding to 1031203321313 its reverse (3131233021301), we get a palindrome (4162436342614).

The spelling of 1031203321313 in words is "one trillion, thirty-one billion, two hundred three million, three hundred twenty-one thousand, three hundred thirteen".