1020311343412 has 24 divisors (see below), whose sum is σ = 1801436555016. Its totient is φ = 505615638528.

The previous prime is 1020311343383. The next prime is 1020311343427. The reversal of 1020311343412 is 2143431130201.

It can be written as a sum of positive squares in 4 ways, for example, as 196961990416 + 823349352996 = 443804^2 + 907386^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11614678 + ... + 11702194.

It is an arithmetic number, because the mean of its divisors is an integer number (75059856459).

Almost surely, 2^{1020311343412} is an apocalyptic number.

It is an amenable number.

1020311343412 is a deficient number, since it is larger than the sum of its proper divisors (781125211604).

1020311343412 is a wasteful number, since it uses less digits than its factorization.

1020311343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113427 (or 113425 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1020311343412 its reverse (2143431130201), we get a palindrome (3163742473613).

The spelling of 1020311343412 in words is "one trillion, twenty billion, three hundred eleven million, three hundred forty-three thousand, four hundred twelve".