1031402100 has 36 divisors (see below), whose sum is σ = 2984190944. Its totient is φ = 275040480.

The previous prime is 1031402093. The next prime is 1031402123. The reversal of 1031402100 is 12041301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1718704 + ... + 1719303.

Almost surely, 2^1031402100 is an apocalyptic number.

1031402100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031402100 is an abundant number, since it is smaller than the sum of its proper divisors (1952788844).

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

1031402100 is a wasteful number, since it uses less digits than its factorization.

1031402100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438024 (or 3438017 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1031402100 is about 32115.4495531356. The cubic root of 1031402100 is about 1010.3596732275.

Adding to 1031402100 its reverse (12041301), we get a palindrome (1043443401).

The spelling of 1031402100 in words is "one billion, thirty-one million, four hundred two thousand, one hundred".