31003130213 has 8 divisors (see below), whose sum is σ = 34459740576. Its totient is φ = 27652877200.

The previous prime is 31003130189. The next prime is 31003130227. The reversal of 31003130213 is 31203130013.

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

It is not a de Polignac number, because 31003130213 - 2¹⁴ = 31003113829 is a prime.

It is a super-2 number, since 2×31003130213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31003130191 and 31003130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31003130233) 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, 26588723 + ... + 26589888.

It is an arithmetic number, because the mean of its divisors is an integer number (4307467572).

Almost surely, 2^31003130213 is an apocalyptic number.

It is an amenable number.

31003130213 is a deficient number, since it is larger than the sum of its proper divisors (3456610363).

31003130213 is a wasteful number, since it uses less digits than its factorization.

31003130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53178675.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31003130213 its reverse (31203130013), we get a palindrome (62206260226).

It can be divided in two parts, 3100 and 3130213, that added together give a palindrome (3133313).

The spelling of 31003130213 in words is "thirty-one billion, three million, one hundred thirty thousand, two hundred thirteen".