1230331402 has 8 divisors (see below), whose sum is σ = 1845943200. Its totient is φ = 615017004.

The previous prime is 1230331397. The next prime is 1230331439. The reversal of 1230331402 is 2041330321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1230331402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63702 + ... + 80737.

It is an arithmetic number, because the mean of its divisors is an integer number (230742900).

Almost surely, 2^1230331402 is an apocalyptic number.

1230331402 is a deficient number, since it is larger than the sum of its proper divisors (615611798).

1230331402 is a wasteful number, since it uses less digits than its factorization.

1230331402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148700.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1230331402 is about 35076.0801971942. The cubic root of 1230331402 is about 1071.5374880904.

Adding to 1230331402 its reverse (2041330321), we get a palindrome (3271661723).

The spelling of 1230331402 in words is "one billion, two hundred thirty million, three hundred thirty-one thousand, four hundred two".