31023012000121 has 16 divisors (see below), whose sum is σ = 31425498720000. Its totient is φ = 30623662720000.

The previous prime is 31023012000109. The next prime is 31023012000131. The reversal of 31023012000121 is 12100021032013.

It is a cyclic number.

It is not a de Polignac number, because 31023012000121 - 2²⁵ = 31022978445689 is a prime.

It is a super-3 number, since 3×31023012000121³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31023012000095 and 31023012000104.

It is not an unprimeable number, because it can be changed into a prime (31023012000131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15868416 + ... + 17715886.

It is an arithmetic number, because the mean of its divisors is an integer number (1964093670000).

Almost surely, 2^{31023012000121} is an apocalyptic number.

It is an amenable number.

31023012000121 is a deficient number, since it is larger than the sum of its proper divisors (402486719879).

31023012000121 is a wasteful number, since it uses less digits than its factorization.

31023012000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848320.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31023012000121 its reverse (12100021032013), we get a palindrome (43123033032134).

The spelling of 31023012000121 in words is "thirty-one trillion, twenty-three billion, twelve million, one hundred twenty-one", and thus it is an aban number.