131421012344 has 32 divisors (see below), whose sum is σ = 251968147200. Its totient is φ = 64232961120.

The previous prime is 131421012343. The next prime is 131421012347. The reversal of 131421012344 is 443210124131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131421012343) 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, 89447 + ... + 520425.

It is an arithmetic number, because the mean of its divisors is an integer number (7874004600).

Almost surely, 2^131421012344 is an apocalyptic number.

It is an amenable number.

131421012344 is a deficient number, since it is larger than the sum of its proper divisors (120547134856).

131421012344 is a wasteful number, since it uses less digits than its factorization.

131421012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431843 (or 431839 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131421012344 its reverse (443210124131), we get a palindrome (574631136475).

The spelling of 131421012344 in words is "one hundred thirty-one billion, four hundred twenty-one million, twelve thousand, three hundred forty-four".