31030300303012 has 6 divisors (see below), whose sum is σ = 54303025530278. Its totient is φ = 15515150151504.

The previous prime is 31030300303003. The next prime is 31030300303019. The reversal of 31030300303012 is 21030300303013.

It can be written as a sum of positive squares in only one way, i.e., 29966712362596 + 1063587940416 = 5474186^2 + 1031304^2 .

It is not an unprimeable number, because it can be changed into a prime (31030300303019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3878787537873 + ... + 3878787537880.

Almost surely, 2^{31030300303012} is an apocalyptic number.

It is an amenable number.

31030300303012 is a deficient number, since it is larger than the sum of its proper divisors (23272725227266).

31030300303012 is a wasteful number, since it uses less digits than its factorization.

31030300303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757575075757 (or 7757575075755 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 31030300303012 its reverse (21030300303013), we get a palindrome (52060600606025).

Subtracting from 31030300303012 its reverse (21030300303013), we obtain a palindrome (9999999999999).

The spelling of 31030300303012 in words is "thirty-one trillion, thirty billion, three hundred million, three hundred three thousand, twelve".