402003113 has 16 divisors (see below), whose sum is σ = 423386880. Its totient is φ = 381303936.

The previous prime is 402003109. The next prime is 402003143. The reversal of 402003113 is 311300204.

It is a cyclic number.

It is not a de Polignac number, because 402003113 - 2² = 402003109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402003143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241781 + ... + 243437.

It is an arithmetic number, because the mean of its divisors is an integer number (26461680).

Almost surely, 2^402003113 is an apocalyptic number.

It is an amenable number.

402003113 is a deficient number, since it is larger than the sum of its proper divisors (21383767).

402003113 is a wasteful number, since it uses less digits than its factorization.

402003113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

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

The square root of 402003113 is about 20050.0152867772. The cubic root of 402003113 is about 738.0341742583.

Adding to 402003113 its reverse (311300204), we get a palindrome (713303317).

The spelling of 402003113 in words is "four hundred two million, three thousand, one hundred thirteen".