131401002220 has 12 divisors (see below), whose sum is σ = 275942104704. Its totient is φ = 52560400880.

The previous prime is 131401002203. The next prime is 131401002241. The reversal of 131401002220 is 22200104131.

It is a junction number, because it is equal to n+sod(n) for n = 131401002194 and 131401002203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285025036 + ... + 3285025075.

It is an arithmetic number, because the mean of its divisors is an integer number (22995175392).

Almost surely, 2^131401002220 is an apocalyptic number.

131401002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131401002220 is an abundant number, since it is smaller than the sum of its proper divisors (144541102484).

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

131401002220 is a wasteful number, since it uses less digits than its factorization.

131401002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570050120 (or 6570050118 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 131401002220 its reverse (22200104131), we get a palindrome (153601106351).

The spelling of 131401002220 in words is "one hundred thirty-one billion, four hundred one million, two thousand, two hundred twenty".