131030355 has 16 divisors (see below), whose sum is σ = 209886624. Its totient is φ = 69803520.

The previous prime is 131030329. The next prime is 131030387. The reversal of 131030355 is 553030131.

It is a happy number.

It is not a de Polignac number, because 131030355 - 2¹³ = 131022163 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10185 + ... + 19125.

It is an arithmetic number, because the mean of its divisors is an integer number (13117914).

Almost surely, 2^131030355 is an apocalyptic number.

131030355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131030355 is a deficient number, since it is larger than the sum of its proper divisors (78856269).

131030355 is an equidigital number, since it uses as much as digits as its factorization.

131030355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9926.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 131030355 is about 11446.8491297824. The cubic root of 131030355 is about 507.9145326590.

Adding to 131030355 its reverse (553030131), we get a palindrome (684060486).

The spelling of 131030355 in words is "one hundred thirty-one million, thirty thousand, three hundred fifty-five".