1031816946 has 16 divisors (see below), whose sum is σ = 2089756800. Its totient is φ = 339585168.

The previous prime is 1031816941. The next prime is 1031816959. The reversal of 1031816946 is 6496181301.

It is not an unprimeable number, because it can be changed into a prime (1031816941) 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, 1087941 + ... + 1088888.

It is an arithmetic number, because the mean of its divisors is an integer number (130609800).

Almost surely, 2^1031816946 is an apocalyptic number.

1031816946 is an abundant number, since it is smaller than the sum of its proper divisors (1057939854).

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

1031816946 is a wasteful number, since it uses less digits than its factorization.

1031816946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176913.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1031816946 is about 32121.9075710021. The cubic root of 1031816946 is about 1010.4951158727.

The spelling of 1031816946 in words is "one billion, thirty-one million, eight hundred sixteen thousand, nine hundred forty-six".