131700550 has 12 divisors (see below), whose sum is σ = 244963116. Its totient is φ = 52680200.

The previous prime is 131700521. The next prime is 131700551. The reversal of 131700550 is 55007131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131700551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1316956 + ... + 1317055.

It is an arithmetic number, because the mean of its divisors is an integer number (20413593).

Almost surely, 2^131700550 is an apocalyptic number.

131700550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131700550 is a deficient number, since it is larger than the sum of its proper divisors (113262566).

131700550 is a wasteful number, since it uses less digits than its factorization.

131700550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634023 (or 2634018 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 131700550 is about 11476.0860052546. The cubic root of 131700550 is about 508.7790220632.

Adding to 131700550 its reverse (55007131), we get a palindrome (186707681).

The spelling of 131700550 in words is "one hundred thirty-one million, seven hundred thousand, five hundred fifty".