1031132101 has 4 divisors (see below), whose sum is σ = 1031277312. Its totient is φ = 1030986892.

The previous prime is 1031132099. The next prime is 1031132111. The reversal of 1031132101 is 1012311301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1012311301 = 6871 ⋅147331.

It is a cyclic number.

It is not a de Polignac number, because 1031132101 - 2¹ = 1031132099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031132111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61375 + ... + 76348.

It is an arithmetic number, because the mean of its divisors is an integer number (257819328).

Almost surely, 2^1031132101 is an apocalyptic number.

It is an amenable number.

1031132101 is a deficient number, since it is larger than the sum of its proper divisors (145211).

1031132101 is an equidigital number, since it uses as much as digits as its factorization.

1031132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145210.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1031132101 is about 32111.2457092527. The cubic root of 1031132101 is about 1010.2715020189.

Adding to 1031132101 its reverse (1012311301), we get a palindrome (2043443402).

The spelling of 1031132101 in words is "one billion, thirty-one million, one hundred thirty-two thousand, one hundred one".