131257030 has 16 divisors (see below), whose sum is σ = 239110704. Its totient is φ = 51869920.

The previous prime is 131257013. The next prime is 131257039. The reversal of 131257030 is 30752131.

It is a junction number, because it is equal to n+sod(n) for n = 131256992 and 131257010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131257039) 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, 78241 + ... + 79900.

It is an arithmetic number, because the mean of its divisors is an integer number (14944419).

Almost surely, 2^131257030 is an apocalyptic number.

131257030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131257030 is a deficient number, since it is larger than the sum of its proper divisors (107853674).

131257030 is a wasteful number, since it uses less digits than its factorization.

131257030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158231.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 131257030 is about 11456.7460476350. The cubic root of 131257030 is about 508.2072515996.

The spelling of 131257030 in words is "one hundred thirty-one million, two hundred fifty-seven thousand, thirty".