131228298 has 24 divisors (see below), whose sum is σ = 284551488. Its totient is φ = 43708392.

The previous prime is 131228297. The next prime is 131228299. The reversal of 131228298 is 892822131.

It is an interprime number because it is at equal distance from previous prime (131228297) and next prime (131228299).

It is not an unprimeable number, because it can be changed into a prime (131228291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32415 + ... + 36237.

It is an arithmetic number, because the mean of its divisors is an integer number (11856312).

Almost surely, 2^131228298 is an apocalyptic number.

131228298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

131228298 is an abundant number, since it is smaller than the sum of its proper divisors (153323190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131228298 is a wasteful number, since it uses less digits than its factorization.

131228298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738 (or 5735 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 131228298 is about 11455.4920453030. The cubic root of 131228298 is about 508.1701669159.

The spelling of 131228298 in words is "one hundred thirty-one million, two hundred twenty-eight thousand, two hundred ninety-eight".