1013000403 has 32 divisors (see below), whose sum is σ = 1468212480. Its totient is φ = 618900480.

The previous prime is 1013000383. The next prime is 1013000449. The reversal of 1013000403 is 3040003101.

It is a de Polignac number, because none of the positive numbers 2^k-1013000403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013000453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302448 + ... + 305778.

It is an arithmetic number, because the mean of its divisors is an integer number (45881640).

Almost surely, 2^1013000403 is an apocalyptic number.

1013000403 is a deficient number, since it is larger than the sum of its proper divisors (455212077).

1013000403 is a wasteful number, since it uses less digits than its factorization.

1013000403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1013000403 is about 31827.6672566495. The cubic root of 1013000403 is about 1004.3148231901.

Adding to 1013000403 its reverse (3040003101), we get a palindrome (4053003504).

The spelling of 1013000403 in words is "one billion, thirteen million, four hundred three", and thus it is an aban number.