31003301142121 has 16 divisors (see below), whose sum is σ = 38779373445120. Its totient is φ = 24079724545680.

The previous prime is 31003301142119. The next prime is 31003301142137. The reversal of 31003301142121 is 12124110330013.

It is a cyclic number.

It is not a de Polignac number, because 31003301142121 - 2¹ = 31003301142119 is a prime.

It is a super-2 number, since 2×31003301142121² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31003301142092 and 31003301142101.

It is not an unprimeable number, because it can be changed into a prime (31003301122121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655742281 + ... + 655789558.

It is an arithmetic number, because the mean of its divisors is an integer number (2423710840320).

Almost surely, 2^{31003301142121} is an apocalyptic number.

It is an amenable number.

31003301142121 is a deficient number, since it is larger than the sum of its proper divisors (7776072302999).

31003301142121 is a wasteful number, since it uses less digits than its factorization.

31003301142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311532164.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31003301142121 its reverse (12124110330013), we get a palindrome (43127411472134).

The spelling of 31003301142121 in words is "thirty-one trillion, three billion, three hundred one million, one hundred forty-two thousand, one hundred twenty-one".