31424320001001 has 32 divisors (see below), whose sum is σ = 43120970081280. Its totient is φ = 20340971963136.

The previous prime is 31424320000999. The next prime is 31424320001021. The reversal of 31424320001001 is 10010002342413.

It is not a de Polignac number, because 31424320001001 - 2¹ = 31424320000999 is a prime.

It is a super-2 number, since 2×31424320001001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31424320001021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591913480 + ... + 591966566.

It is an arithmetic number, because the mean of its divisors is an integer number (1347530315040).

Almost surely, 2^{31424320001001} is an apocalyptic number.

It is an amenable number.

31424320001001 is a deficient number, since it is larger than the sum of its proper divisors (11696650080279).

31424320001001 is a wasteful number, since it uses less digits than its factorization.

31424320001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64113.

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

Adding to 31424320001001 its reverse (10010002342413), we get a palindrome (41434322343414).

The spelling of 31424320001001 in words is "thirty-one trillion, four hundred twenty-four billion, three hundred twenty million, one thousand, one".