1031213013203 has 8 divisors (see below), whose sum is σ = 1038130054176. Its totient is φ = 1024297128000.

The previous prime is 1031213013191. The next prime is 1031213013239. The reversal of 1031213013203 is 3023103121301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031213013203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031213013263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540193 + ... + 2105853.

It is an arithmetic number, because the mean of its divisors is an integer number (129766256772).

Almost surely, 2^{1031213013203} is an apocalyptic number.

1031213013203 is a deficient number, since it is larger than the sum of its proper divisors (6917040973).

1031213013203 is a wasteful number, since it uses less digits than its factorization.

1031213013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577885.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031213013203 its reverse (3023103121301), we get a palindrome (4054316134504).

The spelling of 1031213013203 in words is "one trillion, thirty-one billion, two hundred thirteen million, thirteen thousand, two hundred three".