203431002 has 16 divisors (see below), whose sum is σ = 407750112. Its totient is φ = 67662320.

The previous prime is 203431001. The next prime is 203431003. The reversal of 203431002 is 200134302.

It is an interprime number because it is at equal distance from previous prime (203431001) and next prime (203431003).

It is not an unprimeable number, because it can be changed into a prime (203431001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34008 + ... + 39539.

It is an arithmetic number, because the mean of its divisors is an integer number (25484382).

Almost surely, 2^203431002 is an apocalyptic number.

203431002 is an abundant number, since it is smaller than the sum of its proper divisors (204319110).

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

203431002 is a wasteful number, since it uses less digits than its factorization.

203431002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74013.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 203431002 is about 14262.9240340121. The cubic root of 203431002 is about 588.1287086935.

Adding to 203431002 its reverse (200134302), we get a palindrome (403565304).

The spelling of 203431002 in words is "two hundred three million, four hundred thirty-one thousand, two".