3203123031121 has 32 divisors (see below), whose sum is σ = 3658233291776. Its totient is φ = 2783100384000.

The previous prime is 3203123031109. The next prime is 3203123031287. The reversal of 3203123031121 is 1211303213023.

It is a cyclic number.

It is not a de Polignac number, because 3203123031121 - 2³⁷ = 3065684077649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3203123031092 and 3203123031101.

It is not an unprimeable number, because it can be changed into a prime (3203126031121) 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, 47398126 + ... + 47465656.

It is an arithmetic number, because the mean of its divisors is an integer number (114319790368).

Almost surely, 2^{3203123031121} is an apocalyptic number.

3203123031121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3203123031121 is a deficient number, since it is larger than the sum of its proper divisors (455110260655).

3203123031121 is a wasteful number, since it uses less digits than its factorization.

3203123031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70793.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3203123031121 its reverse (1211303213023), we get a palindrome (4414426244144).

The spelling of 3203123031121 in words is "three trillion, two hundred three billion, one hundred twenty-three million, thirty-one thousand, one hundred twenty-one".