1142311030 has 96 divisors (see below), whose sum is σ = 2464960896. Its totient is φ = 379846656.

The previous prime is 1142311019. The next prime is 1142311063. The reversal of 1142311030 is 301132411.

1142311030 = 498² + 499² + ... + 1525².

It is a junction number, because it is equal to n+sod(n) for n = 1142310995 and 1142311013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4444662 + ... + 4444918.

It is an arithmetic number, because the mean of its divisors is an integer number (25676676).

Almost surely, 2^1142311030 is an apocalyptic number.

1142311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142311030 is an abundant number, since it is smaller than the sum of its proper divisors (1322649866).

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

1142311030 is a wasteful number, since it uses less digits than its factorization.

1142311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1142311030 is about 33798.0921059163. The cubic root of 1142311030 is about 1045.3493577918.

Adding to 1142311030 its reverse (301132411), we get a palindrome (1443443441).

The spelling of 1142311030 in words is "one billion, one hundred forty-two million, three hundred eleven thousand, thirty".