1003400312 has 16 divisors (see below), whose sum is σ = 1942065600. Its totient is φ = 485516160.

The previous prime is 1003400309. The next prime is 1003400327. The reversal of 1003400312 is 2130043001.

It is a super-2 number, since 2×1003400312² = 2013624372243394688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022737 + ... + 2023232.

It is an arithmetic number, because the mean of its divisors is an integer number (121379100).

Almost surely, 2^1003400312 is an apocalyptic number.

It is an amenable number.

1003400312 is a deficient number, since it is larger than the sum of its proper divisors (938665288).

1003400312 is a wasteful number, since it uses less digits than its factorization.

1003400312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046006 (or 4046002 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1003400312 is about 31676.4946292989. The cubic root of 1003400312 is about 1001.1321550745.

Adding to 1003400312 its reverse (2130043001), we get a palindrome (3133443313).

The spelling of 1003400312 in words is "one billion, three million, four hundred thousand, three hundred twelve".