131226030 has 96 divisors (see below), whose sum is σ = 373857120. Its totient is φ = 31737600.

The previous prime is 131226023. The next prime is 131226037. The reversal of 131226030 is 30622131.

It is an interprime number because it is at equal distance from previous prime (131226023) and next prime (131226037).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131225994 and 131226012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131226037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68080 + ... + 69980.

It is an arithmetic number, because the mean of its divisors is an integer number (3894345).

Almost surely, 2^131226030 is an apocalyptic number.

131226030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131226030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186928560).

131226030 is an abundant number, since it is smaller than the sum of its proper divisors (242631090).

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

131226030 is a wasteful number, since it uses less digits than its factorization.

131226030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131226030 is about 11455.3930530558. The cubic root of 131226030 is about 508.1672393548.

Adding to 131226030 its reverse (30622131), we get a palindrome (161848161).

The spelling of 131226030 in words is "one hundred thirty-one million, two hundred twenty-six thousand, thirty".