201431421031 has 8 divisors (see below), whose sum is σ = 202570546464. Its totient is φ = 200293474080.

The previous prime is 201431421029. The next prime is 201431421043. The reversal of 201431421031 is 130124134102.

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

It is a cyclic number.

It is not a de Polignac number, because 201431421031 - 2¹ = 201431421029 is a prime.

It is a super-2 number, since 2×201431421031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201431420993 and 201431421011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201431451031) 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, 49326 + ... + 636628.

It is an arithmetic number, because the mean of its divisors is an integer number (25321318308).

Almost surely, 2^201431421031 is an apocalyptic number.

201431421031 is a deficient number, since it is larger than the sum of its proper divisors (1139125433).

201431421031 is a wasteful number, since it uses less digits than its factorization.

201431421031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589241.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201431421031 its reverse (130124134102), we get a palindrome (331555555133).

The spelling of 201431421031 in words is "two hundred one billion, four hundred thirty-one million, four hundred twenty-one thousand, thirty-one".