31040342020001 has 8 divisors (see below), whose sum is σ = 32720128934400. Its totient is φ = 29365163575920.

The previous prime is 31040342019997. The next prime is 31040342020013. The reversal of 31040342020001 is 10002024304013.

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 31040342020001 - 2² = 31040342019997 is a prime.

It is a super-2 number, since 2×31040342020001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31040342020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152103745 + ... + 1152130686.

It is an arithmetic number, because the mean of its divisors is an integer number (4090016116800).

Almost surely, 2^{31040342020001} is an apocalyptic number.

It is an amenable number.

31040342020001 is a deficient number, since it is larger than the sum of its proper divisors (1679786914399).

31040342020001 is a wasteful number, since it uses less digits than its factorization.

31040342020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304235159.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31040342020001 its reverse (10002024304013), we get a palindrome (41042366324014).

The spelling of 31040342020001 in words is "thirty-one trillion, forty billion, three hundred forty-two million, twenty thousand, one".