631432414421 has 8 divisors (see below), whose sum is σ = 632307060000. Its totient is φ = 630558027280.

The previous prime is 631432414409. The next prime is 631432414423. The reversal of 631432414421 is 124414234136.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-631432414421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631432414423) 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, 5110430 + ... + 5232528.

It is an arithmetic number, because the mean of its divisors is an integer number (79038382500).

Almost surely, 2^631432414421 is an apocalyptic number.

It is an amenable number.

631432414421 is a deficient number, since it is larger than the sum of its proper divisors (874645579).

631432414421 is a wasteful number, since it uses less digits than its factorization.

631432414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129219.

The product of its digits is 55296, while the sum is 35.

Adding to 631432414421 its reverse (124414234136), we get a palindrome (755846648557).

The spelling of 631432414421 in words is "six hundred thirty-one billion, four hundred thirty-two million, four hundred fourteen thousand, four hundred twenty-one".