131211300003420 has 192 divisors, whose sum is σ = 458368496409600. Its totient is φ = 27304907507712.

The previous prime is 131211300003313. The next prime is 131211300003439. The reversal of 131211300003420 is 24300003112131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164199870 + ... + 164997029.

It is an arithmetic number, because the mean of its divisors is an integer number (2387335918800).

Almost surely, 2^{131211300003420} is an apocalyptic number.

131211300003420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131211300003420 is an abundant number, since it is smaller than the sum of its proper divisors (327157196406180).

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

131211300003420 is a wasteful number, since it uses less digits than its factorization.

131211300003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329197004 (or 329197002 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131211300003420 its reverse (24300003112131), we get a palindrome (155511303115551).

The spelling of 131211300003420 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred million, three thousand, four hundred twenty".