1031321012 has 12 divisors (see below), whose sum is σ = 1883282016. Its totient is φ = 493240440.

The previous prime is 1031320993. The next prime is 1031321021. The reversal of 1031321012 is 2101231301.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5604914 + ... + 5605097.

It is an arithmetic number, because the mean of its divisors is an integer number (156940168).

Almost surely, 2^1031321012 is an apocalyptic number.

It is an amenable number.

1031321012 is a deficient number, since it is larger than the sum of its proper divisors (851961004).

1031321012 is a wasteful number, since it uses less digits than its factorization.

1031321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210038 (or 11210036 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1031321012 is about 32114.1870829700. The cubic root of 1031321012 is about 1010.3331946464. Note that the first 3 decimals are identical.

Adding to 1031321012 its reverse (2101231301), we get a palindrome (3132552313).

The spelling of 1031321012 in words is "one billion, thirty-one million, three hundred twenty-one thousand, twelve".