1031230100 has 18 divisors (see below), whose sum is σ = 2237769534. Its totient is φ = 412492000.

The previous prime is 1031230069. The next prime is 1031230103. The reversal of 1031230100 is 10321301.

It can be written as a sum of positive squares in 3 ways, for example, as 91317136 + 939912964 = 9556^2 + 30658^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031230103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5156051 + ... + 5156250.

Almost surely, 2^1031230100 is an apocalyptic number.

1031230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031230100 is an abundant number, since it is smaller than the sum of its proper divisors (1206539434).

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

1031230100 is a wasteful number, since it uses less digits than its factorization.

1031230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312315 (or 10312308 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1031230100 is about 32112.7716025883. The cubic root of 1031230100 is about 1010.3035064732.

Adding to 1031230100 its reverse (10321301), we get a palindrome (1041551401).

The spelling of 1031230100 in words is "one billion, thirty-one million, two hundred thirty thousand, one hundred".