1031010100 has 18 divisors (see below), whose sum is σ = 2237292134. Its totient is φ = 412404000.

The previous prime is 1031010089. The next prime is 1031010103. The reversal of 1031010100 is 10101301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 86436 + 1030923664 = 294^2 + 32108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031010103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5154951 + ... + 5155150.

Almost surely, 2^1031010100 is an apocalyptic number.

1031010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031010100 is an abundant number, since it is smaller than the sum of its proper divisors (1206282034).

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

1031010100 is a wasteful number, since it uses less digits than its factorization.

1031010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310115 (or 10310108 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 1031010100 is about 32109.3459914711. The cubic root of 1031010100 is about 1010.2316561722.

Adding to 1031010100 its reverse (10101301), we get a palindrome (1041111401).

The spelling of 1031010100 in words is "one billion, thirty-one million, ten thousand, one hundred".