31402003241021 has 8 divisors (see below), whose sum is σ = 36024459993984. Its totient is φ = 26813660560560.

The previous prime is 31402003240987. The next prime is 31402003241057. The reversal of 31402003241021 is 12014230020413.

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-31402003241021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31402003141021) 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, 8528516150 + ... + 8528519831.

It is an arithmetic number, because the mean of its divisors is an integer number (4503057499248).

Almost surely, 2^{31402003241021} is an apocalyptic number.

It is an amenable number.

31402003241021 is a deficient number, since it is larger than the sum of its proper divisors (4622456752963).

31402003241021 is a wasteful number, since it uses less digits than its factorization.

31402003241021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17057036251.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31402003241021 its reverse (12014230020413), we get a palindrome (43416233261434).

The spelling of 31402003241021 in words is "thirty-one trillion, four hundred two billion, three million, two hundred forty-one thousand, twenty-one".