131211300003406 has 32 divisors (see below), whose sum is σ = 225737914288320. Its totient is φ = 56032356710400.

The previous prime is 131211300003313. The next prime is 131211300003439. The reversal of 131211300003406 is 604300003112131.

It is a super-2 number, since 2×131211300003406² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267113190 + ... + 267603958.

It is an arithmetic number, because the mean of its divisors is an integer number (7054309821510).

Almost surely, 2^{131211300003406} is an apocalyptic number.

131211300003406 is a deficient number, since it is larger than the sum of its proper divisors (94526614284914).

131211300003406 is a wasteful number, since it uses less digits than its factorization.

131211300003406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559020.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131211300003406 its reverse (604300003112131), we get a palindrome (735511303115537).

The spelling of 131211300003406 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred million, three thousand, four hundred six".