1031143112 has 16 divisors (see below), whose sum is σ = 1980549900. Its totient is φ = 502996480.

The previous prime is 1031143097. The next prime is 1031143117. The reversal of 1031143112 is 2113411301.

It can be written as a sum of positive squares in 2 ways, for example, as 968827876 + 62315236 = 31126^2 + 7894^2 .

It is a super-2 number, since 2×1031143112² = 2126512234850089088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1031143117) 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, 1571537 + ... + 1572192.

Almost surely, 2^1031143112 is an apocalyptic number.

It is an amenable number.

1031143112 is a deficient number, since it is larger than the sum of its proper divisors (949406788).

1031143112 is a wasteful number, since it uses less digits than its factorization.

1031143112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143776 (or 3143772 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1031143112 is about 32111.4171596334. The cubic root of 1031143112 is about 1010.2750980858.

Adding to 1031143112 its reverse (2113411301), we get a palindrome (3144554413).

The spelling of 1031143112 in words is "one billion, thirty-one million, one hundred forty-three thousand, one hundred twelve".