131541304 has 8 divisors (see below), whose sum is σ = 246639960. Its totient is φ = 65770648.

The previous prime is 131541287. The next prime is 131541307. The reversal of 131541304 is 403145131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×131541304² = 34606229316040832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131541307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221324 + ... + 8221339.

It is an arithmetic number, because the mean of its divisors is an integer number (30829995).

Almost surely, 2^131541304 is an apocalyptic number.

It is an amenable number.

131541304 is a deficient number, since it is larger than the sum of its proper divisors (115098656).

131541304 is a wasteful number, since it uses less digits than its factorization.

131541304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16442669 (or 16442665 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 131541304 is about 11469.1457397663. The cubic root of 131541304 is about 508.5738756112.

Adding to 131541304 its reverse (403145131), we get a palindrome (534686435).

The spelling of 131541304 in words is "one hundred thirty-one million, five hundred forty-one thousand, three hundred four".