131213105401 has 8 divisors (see below), whose sum is σ = 152499493440. Its totient is φ = 110562132048.

The previous prime is 131213105399. The next prime is 131213105407. The reversal of 131213105401 is 104501312131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131213105401 - 2¹ = 131213105399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131213105407) 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, 158853226 + ... + 158854051.

It is an arithmetic number, because the mean of its divisors is an integer number (19062436680).

Almost surely, 2^131213105401 is an apocalyptic number.

It is an amenable number.

131213105401 is a deficient number, since it is larger than the sum of its proper divisors (21286388039).

131213105401 is an equidigital number, since it uses as much as digits as its factorization.

131213105401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317707343.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 131213105401 its reverse (104501312131), we get a palindrome (235714417532).

The spelling of 131213105401 in words is "one hundred thirty-one billion, two hundred thirteen million, one hundred five thousand, four hundred one".