3103031213020 has 48 divisors (see below), whose sum is σ = 6692692140288. Its totient is φ = 1207628559360.

The previous prime is 3103031212987. The next prime is 3103031213027. The reversal of 3103031213020 is 203121303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103031213027) 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, 41804740 + ... + 41878900.

It is an arithmetic number, because the mean of its divisors is an integer number (139431086256).

Almost surely, 2^{3103031213020} is an apocalyptic number.

It is an amenable number.

3103031213020 is an abundant number, since it is smaller than the sum of its proper divisors (3589660927268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3103031213020 is a wasteful number, since it uses less digits than its factorization.

3103031213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130750 (or 130748 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 3103031213020 its reverse (203121303013), we get a palindrome (3306152516033).

The spelling of 3103031213020 in words is "three trillion, one hundred three billion, thirty-one million, two hundred thirteen thousand, twenty".