961031 has 8 divisors (see below), whose sum is σ = 1027200. Its totient is φ = 897120.

The previous prime is 961021. The next prime is 961033. The reversal of 961031 is 130169.

961031 = T₁₀₃ + T₁₀₄ + ... + T₁₈₉.

961031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961031 is a prime.

It is a super-2 number, since 2×961031² = 1847161165922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 960994 and 961012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (128400).

2⁹⁶¹⁰³¹ is an apocalyptic number.

961031 is a deficient number, since it is larger than the sum of its proper divisors (66169).

961031 is a wasteful number, since it uses less digits than its factorization.

961031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 961031 is about 980.3218859130. The cubic root of 961031 is about 98.6837851253.

The spelling of 961031 in words is "nine hundred sixty-one thousand, thirty-one".