301131012020 has 12 divisors (see below), whose sum is σ = 632375125284. Its totient is φ = 120452404800.

The previous prime is 301131012011. The next prime is 301131012053. The reversal of 301131012020 is 20210131103.

It can be written as a sum of positive squares in 2 ways, for example, as 198591444496 + 102539567524 = 445636^2 + 320218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 301131011986 and 301131012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528275281 + ... + 7528275320.

It is an arithmetic number, because the mean of its divisors is an integer number (52697927107).

Almost surely, 2^301131012020 is an apocalyptic number.

It is an amenable number.

301131012020 is an abundant number, since it is smaller than the sum of its proper divisors (331244113264).

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

301131012020 is a wasteful number, since it uses less digits than its factorization.

301131012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15056550610 (or 15056550608 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 301131012020 its reverse (20210131103), we get a palindrome (321341143123).

The spelling of 301131012020 in words is "three hundred one billion, one hundred thirty-one million, twelve thousand, twenty".