231402413002 has 4 divisors (see below), whose sum is σ = 347103619506. Its totient is φ = 115701206500.

The previous prime is 231402412981. The next prime is 231402413003. The reversal of 231402413002 is 200314204132.

231402413002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 221380601121 + 10021811881 = 470511^2 + 100109^2 .

It is not an unprimeable number, because it can be changed into a prime (231402413003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57850603249 + ... + 57850603252.

Almost surely, 2^231402413002 is an apocalyptic number.

231402413002 is a deficient number, since it is larger than the sum of its proper divisors (115701206504).

231402413002 is a wasteful number, since it uses less digits than its factorization.

231402413002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115701206503.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231402413002 its reverse (200314204132), we get a palindrome (431716617134).

The spelling of 231402413002 in words is "two hundred thirty-one billion, four hundred two million, four hundred thirteen thousand, two".