131034021 has 8 divisors (see below), whose sum is σ = 174794880. Its totient is φ = 87314592.

The previous prime is 131033999. The next prime is 131034041. The reversal of 131034021 is 120430131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131034021 - 2⁶ = 131033957 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131034041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016 + ... + 16313.

It is an arithmetic number, because the mean of its divisors is an integer number (21849360).

Almost surely, 2^131034021 is an apocalyptic number.

It is an amenable number.

131034021 is a deficient number, since it is larger than the sum of its proper divisors (43760859).

131034021 is a wasteful number, since it uses less digits than its factorization.

131034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20715.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131034021 is about 11447.0092600644. The cubic root of 131034021 is about 507.9192694680.

Adding to 131034021 its reverse (120430131), we get a palindrome (251464152).

The spelling of 131034021 in words is "one hundred thirty-one million, thirty-four thousand, twenty-one".