1031322130 has 16 divisors (see below), whose sum is σ = 1860926040. Its totient is φ = 411518592.

The previous prime is 1031322091. The next prime is 1031322133. The reversal of 1031322130 is 312231301.

It can be written as a sum of positive squares in 4 ways, for example, as 1019971969 + 11350161 = 31937^2 + 3369^2 .

It is not an unprimeable number, because it can be changed into a prime (1031322133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121989 + ... + 130168.

Almost surely, 2^1031322130 is an apocalyptic number.

1031322130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031322130 is a deficient number, since it is larger than the sum of its proper divisors (829603910).

1031322130 is a wasteful number, since it uses less digits than its factorization.

1031322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252573.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1031322130 is about 32114.2044896024. The cubic root of 1031322130 is about 1010.3335597290. Note that the first 3 decimals are identical.

Adding to 1031322130 its reverse (312231301), we get a palindrome (1343553431).

The spelling of 1031322130 in words is "one billion, thirty-one million, three hundred twenty-two thousand, one hundred thirty".