120203003031 has 16 divisors (see below), whose sum is σ = 165828034560. Its totient is φ = 77357679840.

The previous prime is 120203003023. The next prime is 120203003047. The reversal of 120203003031 is 130300302021.

It is not a de Polignac number, because 120203003031 - 2³ = 120203003023 is a prime.

It is a super-2 number, since 2×120203003031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120203003031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120203003021) 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, 353226 + ... + 604296.

It is an arithmetic number, because the mean of its divisors is an integer number (10364252160).

Almost surely, 2^120203003031 is an apocalyptic number.

120203003031 is a deficient number, since it is larger than the sum of its proper divisors (45625031529).

120203003031 is a wasteful number, since it uses less digits than its factorization.

120203003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256606.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 120203003031 its reverse (130300302021), we get a palindrome (250503305052).

The spelling of 120203003031 in words is "one hundred twenty billion, two hundred three million, three thousand, thirty-one".