1331030946 has 32 divisors (see below), whose sum is σ = 3221320320. Its totient is φ = 357924096.

The previous prime is 1331030941. The next prime is 1331030957. The reversal of 1331030946 is 6490301331.

It is not an unprimeable number, because it can be changed into a prime (1331030941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931381 + ... + 932808.

It is an arithmetic number, because the mean of its divisors is an integer number (100666260).

Almost surely, 2^1331030946 is an apocalyptic number.

1331030946 is an abundant number, since it is smaller than the sum of its proper divisors (1890289374).

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

1331030946 is a wasteful number, since it uses less digits than its factorization.

1331030946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864218.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 1331030946 is about 36483.2968082656. The cubic root of 1331030946 is about 1100.0085250028.

The spelling of 1331030946 in words is "one billion, three hundred thirty-one million, thirty thousand, nine hundred forty-six".