103121031033 has 12 divisors (see below), whose sum is σ = 150089644848. Its totient is φ = 68222564280.

The previous prime is 103121031031. The next prime is 103121031037. The reversal of 103121031033 is 330130121301.

It is a happy number.

103121031033 is a `hidden beast` number, since 1 + 0 + 312 + 10 + 310 + 33 = 666.

It is not a de Polignac number, because 103121031033 - 2¹ = 103121031031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103121030997 and 103121031015.

It is not an unprimeable number, because it can be changed into a prime (103121031031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43731235 + ... + 43733592.

It is an arithmetic number, because the mean of its divisors is an integer number (12507470404).

Almost surely, 2^103121031033 is an apocalyptic number.

It is an amenable number.

103121031033 is a deficient number, since it is larger than the sum of its proper divisors (46968613815).

103121031033 is a wasteful number, since it uses less digits than its factorization.

103121031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87464964 (or 87464961 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 103121031033 its reverse (330130121301), we get a palindrome (433251152334).

The spelling of 103121031033 in words is "one hundred three billion, one hundred twenty-one million, thirty-one thousand, thirty-three".