1030312144 has 20 divisors (see below), whose sum is σ = 1997881924. Its totient is φ = 514729728.

The previous prime is 1030312141. The next prime is 1030312147. The reversal of 1030312144 is 4412130301.

It is an interprime number because it is at equal distance from previous prime (1030312141) and next prime (1030312147).

It can be written as a sum of positive squares in 2 ways, for example, as 755150400 + 275161744 = 27480^2 + 16588^2 .

It is a super-2 number, since 2×1030312144² = 2123086228147753472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030312141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6237 + ... + 45820.

Almost surely, 2^1030312144 is an apocalyptic number.

It is an amenable number.

1030312144 is a deficient number, since it is larger than the sum of its proper divisors (967569780).

1030312144 is a wasteful number, since it uses less digits than its factorization.

1030312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53302 (or 53296 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1030312144 is about 32098.4757270497. The cubic root of 1030312144 is about 1010.0036414599.

Adding to 1030312144 its reverse (4412130301), we get a palindrome (5442442445).

The spelling of 1030312144 in words is "one billion, thirty million, three hundred twelve thousand, one hundred forty-four".