131032121 has 8 divisors (see below), whose sum is σ = 147873600. Its totient is φ = 115012240.

The previous prime is 131032091. The next prime is 131032163. The reversal of 131032121 is 121230131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131032121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131032096 and 131032105.

It is not an unprimeable number, because it can be changed into a prime (131032621) 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, 205061 + ... + 205698.

It is an arithmetic number, because the mean of its divisors is an integer number (18484200).

Almost surely, 2^131032121 is an apocalyptic number.

131032121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131032121 is a deficient number, since it is larger than the sum of its proper divisors (16841479).

131032121 is a wasteful number, since it uses less digits than its factorization.

131032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410799.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131032121 is about 11446.9262686540. The cubic root of 131032121 is about 507.9168145044.

Adding to 131032121 its reverse (121230131), we get a palindrome (252262252).

The spelling of 131032121 in words is "one hundred thirty-one million, thirty-two thousand, one hundred twenty-one".