131211010 has 16 divisors (see below), whose sum is σ = 269919936. Its totient is φ = 44986608.

The previous prime is 131211007. The next prime is 131211013. The reversal of 131211010 is 10112131.

It is an interprime number because it is at equal distance from previous prime (131211007) and next prime (131211013).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (131211013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937152 + ... + 937291.

It is an arithmetic number, because the mean of its divisors is an integer number (16869996).

Almost surely, 2^131211010 is an apocalyptic number.

131211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211010 is an abundant number, since it is smaller than the sum of its proper divisors (138708926).

131211010 is a wasteful number, since it uses less digits than its factorization.

131211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874457.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 131211010 is about 11454.7374478859. The cubic root of 131211010 is about 508.1478505106.

Adding to 131211010 its reverse (10112131), we get a palindrome (141323141).

The spelling of 131211010 in words is "one hundred thirty-one million, two hundred eleven thousand, ten".