131402412143220 has 96 divisors (see below), whose sum is σ = 369526919731200. Its totient is φ = 34888494939264.

The previous prime is 131402412143201. The next prime is 131402412143231. The reversal of 131402412143220 is 22341214204131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13046761 + ... + 20809199.

It is an arithmetic number, because the mean of its divisors is an integer number (3849238747200).

Almost surely, 2^{131402412143220} is an apocalyptic number.

131402412143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131402412143220 is an abundant number, since it is smaller than the sum of its proper divisors (238124507587980).

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

131402412143220 is a wasteful number, since it uses less digits than its factorization.

131402412143220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7763677 (or 7763675 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 131402412143220 its reverse (22341214204131), we get a palindrome (153743626347351).

The spelling of 131402412143220 in words is "one hundred thirty-one trillion, four hundred two billion, four hundred twelve million, one hundred forty-three thousand, two hundred twenty".