201431421034 has 4 divisors (see below), whose sum is σ = 302147131554. Its totient is φ = 100715710516.

The previous prime is 201431421029. The next prime is 201431421043. The reversal of 201431421034 is 430124134102.

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., 181676275225 + 19755145809 = 426235^2 + 140553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50357855257 + ... + 50357855260.

Almost surely, 2^201431421034 is an apocalyptic number.

201431421034 is a deficient number, since it is larger than the sum of its proper divisors (100715710520).

201431421034 is a wasteful number, since it uses less digits than its factorization.

201431421034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100715710519.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 201431421034 its reverse (430124134102), we get a palindrome (631555555136).

The spelling of 201431421034 in words is "two hundred one billion, four hundred thirty-one million, four hundred twenty-one thousand, thirty-four".