131233030 has 32 divisors (see below), whose sum is σ = 251281440. Its totient is φ = 49175040.

The previous prime is 131233027. The next prime is 131233031. The reversal of 131233030 is 30332131.

It is a junction number, because it is equal to n+sod(n) for n = 131232995 and 131233013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131233031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37245 + ... + 40615.

It is an arithmetic number, because the mean of its divisors is an integer number (7852545).

Almost surely, 2^131233030 is an apocalyptic number.

131233030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131233030 is a deficient number, since it is larger than the sum of its proper divisors (120048410).

131233030 is a wasteful number, since it uses less digits than its factorization.

131233030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 131233030 is about 11455.6985819286. The cubic root of 131233030 is about 508.1762749286.

Adding to 131233030 its reverse (30332131), we get a palindrome (161565161).

The spelling of 131233030 in words is "one hundred thirty-one million, two hundred thirty-three thousand, thirty".