1031223141 has 12 divisors (see below), whose sum is σ = 1604125068. Its totient is φ = 634598784.

The previous prime is 1031223139. The next prime is 1031223143. The reversal of 1031223141 is 1413221301.

It is an interprime number because it is at equal distance from previous prime (1031223139) and next prime (1031223143).

It can be written as a sum of positive squares in 2 ways, for example, as 187553025 + 843670116 = 13695^2 + 29046^2 .

It is not a de Polignac number, because 1031223141 - 2¹ = 1031223139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031223143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4406820 + ... + 4407053.

It is an arithmetic number, because the mean of its divisors is an integer number (133677089).

Almost surely, 2^1031223141 is an apocalyptic number.

It is an amenable number.

1031223141 is a deficient number, since it is larger than the sum of its proper divisors (572901927).

1031223141 is a wasteful number, since it uses less digits than its factorization.

1031223141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813892 (or 8813889 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1031223141 is about 32112.6632498770. The cubic root of 1031223141 is about 1010.3012338741.

Adding to 1031223141 its reverse (1413221301), we get a palindrome (2444444442).

The spelling of 1031223141 in words is "one billion, thirty-one million, two hundred twenty-three thousand, one hundred forty-one".