131502234 has 16 divisors (see below), whose sum is σ = 263172960. Its totient is φ = 43806000.

The previous prime is 131502233. The next prime is 131502253. The reversal of 131502234 is 432205131.

It is a self number, because there is not a number n which added to its sum of digits gives 131502234.

It is not an unprimeable number, because it can be changed into a prime (131502233) 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, 4609 + ... + 16859.

It is an arithmetic number, because the mean of its divisors is an integer number (16448310).

Almost surely, 2^131502234 is an apocalyptic number.

131502234 is an abundant number, since it is smaller than the sum of its proper divisors (131670726).

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

131502234 is a wasteful number, since it uses less digits than its factorization.

131502234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 131502234 is about 11467.4423477949. The cubic root of 131502234 is about 508.5235189342.

Adding to 131502234 its reverse (432205131), we get a palindrome (563707365).

The spelling of 131502234 in words is "one hundred thirty-one million, five hundred two thousand, two hundred thirty-four".