131034388 has 12 divisors (see below), whose sum is σ = 230321952. Its totient is φ = 65228120.

The previous prime is 131034367. The next prime is 131034389. The reversal of 131034388 is 883430131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131034389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71248 + ... + 73063.

It is an arithmetic number, because the mean of its divisors is an integer number (19193496).

Almost surely, 2^131034388 is an apocalyptic number.

It is an amenable number.

131034388 is a deficient number, since it is larger than the sum of its proper divisors (99287564).

131034388 is a wasteful number, since it uses less digits than its factorization.

131034388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144542 (or 144540 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 131034388 is about 11447.0252904412. The cubic root of 131034388 is about 507.9197436609.

The spelling of 131034388 in words is "one hundred thirty-one million, thirty-four thousand, three hundred eighty-eight".