1003131213 has 8 divisors (see below), whose sum is σ = 1528580928. Its totient is φ = 573217824.

The previous prime is 1003131209. The next prime is 1003131221. The reversal of 1003131213 is 3121313001.

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

It is not a de Polignac number, because 1003131213 - 2² = 1003131209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003131192 and 1003131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003131713) 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, 23884056 + ... + 23884097.

It is an arithmetic number, because the mean of its divisors is an integer number (191072616).

Almost surely, 2^1003131213 is an apocalyptic number.

It is an amenable number.

1003131213 is a deficient number, since it is larger than the sum of its proper divisors (525449715).

1003131213 is an equidigital number, since it uses as much as digits as its factorization.

1003131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47768163.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1003131213 is about 31672.2467311683. The cubic root of 1003131213 is about 1001.0426501695.

Adding to 1003131213 its reverse (3121313001), we get a palindrome (4124444214).

It can be divided in two parts, 100 and 3131213, that added together give a palindrome (3131313).

The spelling of 1003131213 in words is "one billion, three million, one hundred thirty-one thousand, two hundred thirteen".