131211103434 has 32 divisors (see below), whose sum is σ = 278250863040. Its totient is φ = 41106185472.

The previous prime is 131211103427. The next prime is 131211103453. The reversal of 131211103434 is 434301112131.

It is a happy number.

131211103434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 834864 + ... + 979499.

It is an arithmetic number, because the mean of its divisors is an integer number (8695339470).

Almost surely, 2^131211103434 is an apocalyptic number.

131211103434 is an abundant number, since it is smaller than the sum of its proper divisors (147039759606).

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

131211103434 is a wasteful number, since it uses less digits than its factorization.

131211103434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815094.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131211103434 its reverse (434301112131), we get a palindrome (565512215565).

The spelling of 131211103434 in words is "one hundred thirty-one billion, two hundred eleven million, one hundred three thousand, four hundred thirty-four".