131237330 has 16 divisors (see below), whose sum is σ = 269974080. Its totient is φ = 44995632.

The previous prime is 131237329. The next prime is 131237339. The reversal of 131237330 is 33732131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131237296 and 131237305.

It is not an unprimeable number, because it can be changed into a prime (131237339) 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, 937340 + ... + 937479.

It is an arithmetic number, because the mean of its divisors is an integer number (16873380).

Almost surely, 2^131237330 is an apocalyptic number.

131237330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131237330 is an abundant number, since it is smaller than the sum of its proper divisors (138736750).

131237330 is a wasteful number, since it uses less digits than its factorization.

131237330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874833.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 131237330 is about 11455.8862599102. The cubic root of 131237330 is about 508.1818251932.

Adding to 131237330 its reverse (33732131), we get a palindrome (164969461).

The spelling of 131237330 in words is "one hundred thirty-one million, two hundred thirty-seven thousand, three hundred thirty".