1031013165 has 48 divisors (see below), whose sum is σ = 2066577408. Its totient is φ = 435060864.

The previous prime is 1031013163. The next prime is 1031013241. The reversal of 1031013165 is 5613101301.

1031013165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1031013165 - 2¹ = 1031013163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031013163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44397 + ... + 63506.

It is an arithmetic number, because the mean of its divisors is an integer number (43053696).

Almost surely, 2^1031013165 is an apocalyptic number.

1031013165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1031013165 is an abundant number, since it is smaller than the sum of its proper divisors (1035564243).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031013165 is a wasteful number, since it uses less digits than its factorization.

1031013165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107938 (or 107931 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1031013165 is about 32109.3937189726. The cubic root of 1031013165 is about 1010.2326572478.

Adding to 1031013165 its reverse (5613101301), we get a palindrome (6644114466).

The spelling of 1031013165 in words is "one billion, thirty-one million, thirteen thousand, one hundred sixty-five".