131934330 has 96 divisors (see below), whose sum is σ = 379686528. Its totient is φ = 31516800.

The previous prime is 131934329. The next prime is 131934337. The reversal of 131934330 is 33439131.

131934330 is a `hidden beast` number, since 1 + 319 + 343 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131934294 and 131934303.

It is not an unprimeable number, because it can be changed into a prime (131934337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69352 + ... + 71228.

It is an arithmetic number, because the mean of its divisors is an integer number (3955068).

Almost surely, 2^131934330 is an apocalyptic number.

131934330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131934330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189843264).

131934330 is an abundant number, since it is smaller than the sum of its proper divisors (247752198).

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

131934330 is a wasteful number, since it uses less digits than its factorization.

131934330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 131934330 is about 11486.2670176172. The cubic root of 131934330 is about 509.0798865405.

The spelling of 131934330 in words is "one hundred thirty-one million, nine hundred thirty-four thousand, three hundred thirty".