1031477868 has 48 divisors (see below), whose sum is σ = 2676411360. Its totient is φ = 343541952.

The previous prime is 1031477861. The next prime is 1031477879. The reversal of 1031477868 is 8687741301.

It is not an unprimeable number, because it can be changed into a prime (1031477861) 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, 158046 + ... + 164442.

It is an arithmetic number, because the mean of its divisors is an integer number (55758570).

Almost surely, 2^1031477868 is an apocalyptic number.

1031477868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1031477868 is an abundant number, since it is smaller than the sum of its proper divisors (1644933492).

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

1031477868 is a wasteful number, since it uses less digits than its factorization.

1031477868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 1031477868 is about 32116.6291506441. The cubic root of 1031477868 is about 1010.3844133546.

The spelling of 1031477868 in words is "one billion, thirty-one million, four hundred seventy-seven thousand, eight hundred sixty-eight".