9031061961 has 12 divisors (see below), whose sum is σ = 13047116992. Its totient is φ = 6019669656.

The previous prime is 9031061951. The next prime is 9031062013. The reversal of 9031061961 is 1691601309.

9031061961 is a `hidden beast` number, since 9 + 0 + 31 + 0 + 619 + 6 + 1 = 666.

It is not a de Polignac number, because 9031061961 - 2⁷ = 9031061833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9031061951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29461 + ... + 137586.

Almost surely, 2^9031061961 is an apocalyptic number.

It is an amenable number.

9031061961 is a deficient number, since it is larger than the sum of its proper divisors (4016055031).

9031061961 is a wasteful number, since it uses less digits than its factorization.

9031061961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173060 (or 173057 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 9031061961 is about 95031.8997021526. The cubic root of 9031061961 is about 2082.4740931614.

The spelling of 9031061961 in words is "nine billion, thirty-one million, sixty-one thousand, nine hundred sixty-one".