32401020281631 has 8 divisors (see below), whose sum is σ = 43214168382000. Its totient is φ = 21594276184512.

The previous prime is 32401020281611. The next prime is 32401020281657. The reversal of 32401020281631 is 13618202010423.

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

It is not a de Polignac number, because 32401020281631 - 2¹⁴ = 32401020265247 is a prime.

It is a super-2 number, since 2×32401020281631² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32401020281592 and 32401020281601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32401020281611) 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, 1600989006 + ... + 1601009243.

It is an arithmetic number, because the mean of its divisors is an integer number (5401771047750).

Almost surely, 2^{32401020281631} is an apocalyptic number.

32401020281631 is a deficient number, since it is larger than the sum of its proper divisors (10813148100369).

32401020281631 is a wasteful number, since it uses less digits than its factorization.

32401020281631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202001625.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 32401020281631 in words is "thirty-two trillion, four hundred one billion, twenty million, two hundred eighty-one thousand, six hundred thirty-one".