1031361 has 4 divisors (see below), whose sum is σ = 1375152. Its totient is φ = 687572.

The previous prime is 1031357. The next prime is 1031399. The reversal of 1031361 is 1631301.

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.

It is a cyclic number.

It is not a de Polignac number, because 1031361 - 2² = 1031357 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031361.

It is not an unprimeable number, because it can be changed into a prime (1031161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171891 + ... + 171896.

It is an arithmetic number, because the mean of its divisors is an integer number (343788).

2^1031361 is an apocalyptic number.

It is an amenable number.

1031361 is a deficient number, since it is larger than the sum of its proper divisors (343791).

1031361 is an equidigital number, since it uses as much as digits as its factorization.

1031361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343790.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1031361 is about 1015.5594517309. The cubic root of 1031361 is about 101.0346252553.

Adding to 1031361 its reverse (1631301), we get a palindrome (2662662).

The spelling of 1031361 in words is "one million, thirty-one thousand, three hundred sixty-one".