1331010131 has 4 divisors (see below), whose sum is σ = 1452011064. Its totient is φ = 1210009200.

The previous prime is 1331010127. The next prime is 1331010137. The reversal of 1331010131 is 1310101331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1331010131 - 2² = 1331010127 is a prime.

It is a super-2 number, since 2×1331010131² = 3543175937649274322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331010137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60500450 + ... + 60500471.

It is an arithmetic number, because the mean of its divisors is an integer number (363002766).

Almost surely, 2^1331010131 is an apocalyptic number.

1331010131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1331010131 is a deficient number, since it is larger than the sum of its proper divisors (121000933).

1331010131 is a wasteful number, since it uses less digits than its factorization.

1331010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121000932.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1331010131 is about 36483.0115396194. The cubic root of 1331010131 is about 1100.0027909020.

Adding to 1331010131 its reverse (1310101331), we get a palindrome (2641111462).

The spelling of 1331010131 in words is "one billion, three hundred thirty-one million, ten thousand, one hundred thirty-one".