931000961 has 4 divisors (see below), whose sum is σ = 1015637424. Its totient is φ = 846364500.

The previous prime is 931000883. The next prime is 931000991. The reversal of 931000961 is 169000139.

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 931000961 - 2¹⁴ = 930984577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (931000991) 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, 42318215 + ... + 42318236.

It is an arithmetic number, because the mean of its divisors is an integer number (253909356).

Almost surely, 2^931000961 is an apocalyptic number.

It is an amenable number.

931000961 is a deficient number, since it is larger than the sum of its proper divisors (84636463).

931000961 is a wasteful number, since it uses less digits than its factorization.

931000961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84636462.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 931000961 is about 30512.3083525321. The cubic root of 931000961 is about 976.4500749516.

The spelling of 931000961 in words is "nine hundred thirty-one million, nine hundred sixty-one", and thus it is an aban number.