31201130013 has 8 divisors (see below), whose sum is σ = 44048654208. Its totient is φ = 19577179584.

The previous prime is 31201129961. The next prime is 31201130017. The reversal of 31201130013 is 31003110213.

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

It is not a de Polignac number, because 31201130013 - 2¹⁰ = 31201128989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31201129974 and 31201130001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201130017) 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, 305893381 + ... + 305893482.

It is an arithmetic number, because the mean of its divisors is an integer number (5506081776).

Almost surely, 2^31201130013 is an apocalyptic number.

It is an amenable number.

31201130013 is a deficient number, since it is larger than the sum of its proper divisors (12847524195).

31201130013 is a wasteful number, since it uses less digits than its factorization.

31201130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611786883.

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

Adding to 31201130013 its reverse (31003110213), we get a palindrome (62204240226).

The spelling of 31201130013 in words is "thirty-one billion, two hundred one million, one hundred thirty thousand, thirteen".