1010131631 has 4 divisors (see below), whose sum is σ = 1010243352. Its totient is φ = 1010019912.

The previous prime is 1010131627. The next prime is 1010131649. The reversal of 1010131631 is 1361310101.

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 1010131631 - 2² = 1010131627 is a prime.

It is a super-2 number, since 2×1010131631² = 2040731823893440322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010131651) 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, 40976 + ... + 60821.

It is an arithmetic number, because the mean of its divisors is an integer number (252560838).

Almost surely, 2^1010131631 is an apocalyptic number.

1010131631 is a deficient number, since it is larger than the sum of its proper divisors (111721).

1010131631 is an equidigital number, since it uses as much as digits as its factorization.

1010131631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111720.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1010131631 is about 31782.5680365826. The cubic root of 1010131631 is about 1003.3658685515.

Adding to 1010131631 its reverse (1361310101), we get a palindrome (2371441732).

The spelling of 1010131631 in words is "one billion, ten million, one hundred thirty-one thousand, six hundred thirty-one".