131402402211220 has 96 divisors (see below), whose sum is σ = 321979524652800. Its totient is φ = 45027370926720.

The previous prime is 131402402211211. The next prime is 131402402211257. The reversal of 131402402211220 is 22112204204131.

131402402211220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7134982 + ... + 17711938.

It is an arithmetic number, because the mean of its divisors is an integer number (3353953381800).

Almost surely, 2^{131402402211220} is an apocalyptic number.

131402402211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131402402211220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160989762326400).

131402402211220 is an abundant number, since it is smaller than the sum of its proper divisors (190577122441580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131402402211220 is a wasteful number, since it uses less digits than its factorization.

131402402211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10578798 (or 10578782 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 131402402211220 its reverse (22112204204131), we get a palindrome (153514606415351).

The spelling of 131402402211220 in words is "one hundred thirty-one trillion, four hundred two billion, four hundred two million, two hundred eleven thousand, two hundred twenty".