131213013 has 8 divisors (see below), whose sum is σ = 177818976. Its totient is φ = 86041200.

The previous prime is 131213009. The next prime is 131213029. The reversal of 131213013 is 310312131.

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

It is not a de Polignac number, because 131213013 - 2² = 131213009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131212983 and 131213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213053) 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, 358323 + ... + 358688.

It is an arithmetic number, because the mean of its divisors is an integer number (22227372).

Almost surely, 2^131213013 is an apocalyptic number.

It is an amenable number.

131213013 is a deficient number, since it is larger than the sum of its proper divisors (46605963).

131213013 is an equidigital number, since it uses as much as digits as its factorization.

131213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717075.

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

The square root of 131213013 is about 11454.8248786265. The cubic root of 131213013 is about 508.1504362056.

Adding to 131213013 its reverse (310312131), we get a palindrome (441525144).

The spelling of 131213013 in words is "one hundred thirty-one million, two hundred thirteen thousand, thirteen".