131242310 has 32 divisors (see below), whose sum is σ = 253380960. Its totient is φ = 48791808.

The previous prime is 131242277. The next prime is 131242351. The reversal of 131242310 is 13242131.

131242310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131242310² = 34449087868272200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3554 + ... + 16586.

It is an arithmetic number, because the mean of its divisors is an integer number (7918155).

Almost surely, 2^131242310 is an apocalyptic number.

131242310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131242310 is a deficient number, since it is larger than the sum of its proper divisors (122138650).

131242310 is a wasteful number, since it uses less digits than its factorization.

131242310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131242310 is about 11456.1036133583. The cubic root of 131242310 is about 508.1882530225.

Adding to 131242310 its reverse (13242131), we get a palindrome (144484441).

The spelling of 131242310 in words is "one hundred thirty-one million, two hundred forty-two thousand, three hundred ten".