131211031330 has 32 divisors (see below), whose sum is σ = 242636622336. Its totient is φ = 51050435904.

The previous prime is 131211031291. The next prime is 131211031333. The reversal of 131211031330 is 33130112131.

It is a junction number, because it is equal to n+sod(n) for n = 131211031298 and 131211031307.

It is not an unprimeable number, because it can be changed into a prime (131211031333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208547 + ... + 1312633.

It is an arithmetic number, because the mean of its divisors is an integer number (7582394448).

Almost surely, 2^131211031330 is an apocalyptic number.

131211031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211031330 is a deficient number, since it is larger than the sum of its proper divisors (111425591006).

131211031330 is a wasteful number, since it uses less digits than its factorization.

131211031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107538.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131211031330 its reverse (33130112131), we get a palindrome (164341143461).

The spelling of 131211031330 in words is "one hundred thirty-one billion, two hundred eleven million, thirty-one thousand, three hundred thirty".