131402242023420 has 96 divisors (see below), whose sum is σ = 384063663029760. Its totient is φ = 33504819828480.

The previous prime is 131402242023331. The next prime is 131402242023431. The reversal of 131402242023420 is 24320242204131.

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, 13664215 + ... + 21201774.

It is an arithmetic number, because the mean of its divisors is an integer number (4000663156560).

Almost surely, 2^{131402242023420} is an apocalyptic number.

131402242023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131402242023420 is an abundant number, since it is smaller than the sum of its proper divisors (252661421006340).

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

131402242023420 is a wasteful number, since it uses less digits than its factorization.

131402242023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34868755 (or 34868753 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131402242023420 its reverse (24320242204131), we get a palindrome (155722484227551).

The spelling of 131402242023420 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred forty-two million, twenty-three thousand, four hundred twenty".