131354312 has 8 divisors (see below), whose sum is σ = 246289350. Its totient is φ = 65677152.

The previous prime is 131354309. The next prime is 131354341. The reversal of 131354312 is 213453131.

It can be written as a sum of positive squares in only one way, i.e., 131010916 + 343396 = 11446^2 + 586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8209637 + ... + 8209652.

Almost surely, 2^131354312 is an apocalyptic number.

It is an amenable number.

131354312 is a deficient number, since it is larger than the sum of its proper divisors (114935038).

131354312 is a wasteful number, since it uses less digits than its factorization.

131354312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16419295 (or 16419291 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 131354312 is about 11460.9908821184. The cubic root of 131354312 is about 508.3327742954.

The spelling of 131354312 in words is "one hundred thirty-one million, three hundred fifty-four thousand, three hundred twelve".