1012311044 has 6 divisors (see below), whose sum is σ = 1771544334. Its totient is φ = 506155520.

The previous prime is 1012311023. The next prime is 1012311103. The reversal of 1012311044 is 4401132101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 995402500 + 16908544 = 31550^2 + 4112^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126538877 + ... + 126538884.

It is an arithmetic number, because the mean of its divisors is an integer number (295257389).

Almost surely, 2^1012311044 is an apocalyptic number.

It is an amenable number.

1012311044 is a deficient number, since it is larger than the sum of its proper divisors (759233290).

1012311044 is a wasteful number, since it uses less digits than its factorization.

1012311044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253077765 (or 253077763 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1012311044 is about 31816.8358577656. The cubic root of 1012311044 is about 1004.0869553740.

Adding to 1012311044 its reverse (4401132101), we get a palindrome (5413443145).

The spelling of 1012311044 in words is "one billion, twelve million, three hundred eleven thousand, forty-four".