1010321403 has 48 divisors (see below), whose sum is σ = 1713616128. Its totient is φ = 515592000.

The previous prime is 1010321399. The next prime is 1010321413. The reversal of 1010321403 is 3041230101.

It is not a de Polignac number, because 1010321403 - 2² = 1010321399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010321413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260428 + ... + 264278.

It is an arithmetic number, because the mean of its divisors is an integer number (35700336).

Almost surely, 2^1010321403 is an apocalyptic number.

1010321403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1010321403 is a deficient number, since it is larger than the sum of its proper divisors (703294725).

1010321403 is a wasteful number, since it uses less digits than its factorization.

1010321403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936 (or 3905 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1010321403 is about 31785.5533694161. The cubic root of 1010321403 is about 1003.4286982590.

Adding to 1010321403 its reverse (3041230101), we get a palindrome (4051551504).

The spelling of 1010321403 in words is "one billion, ten million, three hundred twenty-one thousand, four hundred three".