131311332030 has 32 divisors (see below), whose sum is σ = 315563562144. Its totient is φ = 34970092416.

The previous prime is 131311332011. The next prime is 131311332037. The reversal of 131311332030 is 30233113131.

It is a junction number, because it is equal to n+sod(n) for n = 131311331988 and 131311332006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311332037) 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, 2868337 + ... + 2913756.

It is an arithmetic number, because the mean of its divisors is an integer number (9861361317).

Almost surely, 2^131311332030 is an apocalyptic number.

131311332030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131311332030 is an abundant number, since it is smaller than the sum of its proper divisors (184252230114).

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

131311332030 is a wasteful number, since it uses less digits than its factorization.

131311332030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782860.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131311332030 its reverse (30233113131), we get a palindrome (161544445161).

The spelling of 131311332030 in words is "one hundred thirty-one billion, three hundred eleven million, three hundred thirty-two thousand, thirty".