1012311030 has 32 divisors (see below), whose sum is σ = 2430409824. Its totient is φ = 269853696.

The previous prime is 1012311023. The next prime is 1012311103. The reversal of 1012311030 is 301132101.

It is a junction number, because it is equal to n+sod(n) for n = 1012310997 and 1012311015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131652 + ... + 139128.

It is an arithmetic number, because the mean of its divisors is an integer number (75950307).

Almost surely, 2^1012311030 is an apocalyptic number.

1012311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012311030 is an abundant number, since it is smaller than the sum of its proper divisors (1418098794).

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

1012311030 is a wasteful number, since it uses less digits than its factorization.

1012311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12000.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1012311030 is about 31816.8356377563. The cubic root of 1012311030 is about 1004.0869507453.

Adding to 1012311030 its reverse (301132101), we get a palindrome (1313443131).

The spelling of 1012311030 in words is "one billion, twelve million, three hundred eleven thousand, thirty".