1030431202 has 4 divisors (see below), whose sum is σ = 1545646806. Its totient is φ = 515215600.

The previous prime is 1030431191. The next prime is 1030431209. The reversal of 1030431202 is 2021340301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2021340301 = 16301 ⋅124001.

It can be written as a sum of positive squares in only one way, i.e., 987907761 + 42523441 = 31431^2 + 6521^2 .

It is not an unprimeable number, because it can be changed into a prime (1030431209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257607799 + ... + 257607802.

Almost surely, 2^1030431202 is an apocalyptic number.

1030431202 is a deficient number, since it is larger than the sum of its proper divisors (515215604).

1030431202 is an equidigital number, since it uses as much as digits as its factorization.

1030431202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515215603.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030431202 is about 32100.3302475224. The cubic root of 1030431202 is about 1010.0425437100.

Adding to 1030431202 its reverse (2021340301), we get a palindrome (3051771503).

Subtracting 1030431202 from its reverse (2021340301), we obtain a palindrome (990909099).

The spelling of 1030431202 in words is "one billion, thirty million, four hundred thirty-one thousand, two hundred two".