31421410032 has 80 divisors (see below), whose sum is σ = 84167057408. Its totient is φ = 10090379520.

The previous prime is 31421409991. The next prime is 31421410043. The reversal of 31421410032 is 23001412413.

It is a junction number, because it is equal to n+sod(n) for n = 31421409990 and 31421410008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284478 + ... + 379170.

Almost surely, 2^31421410032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31421410032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42083528704).

31421410032 is an abundant number, since it is smaller than the sum of its proper divisors (52745647376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31421410032 is a wasteful number, since it uses less digits than its factorization.

31421410032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94958 (or 94952 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31421410032 its reverse (23001412413), we get a palindrome (54422822445).

The spelling of 31421410032 in words is "thirty-one billion, four hundred twenty-one million, four hundred ten thousand, thirty-two".