1020315545343 has 48 divisors (see below), whose sum is σ = 1548840664800. Its totient is φ = 646335486720.

The previous prime is 1020315545251. The next prime is 1020315545351. The reversal of 1020315545343 is 3435455130201.

1020315545343 is a `hidden beast` number, since 1 + 0 + 20 + 31 + 554 + 53 + 4 + 3 = 666.

It is not a de Polignac number, because 1020315545343 - 2¹³ = 1020315537151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020315545298 and 1020315545307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020315545383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18666313 + ... + 18720893.

It is an arithmetic number, because the mean of its divisors is an integer number (32267513850).

Almost surely, 2^{1020315545343} is an apocalyptic number.

1020315545343 is a deficient number, since it is larger than the sum of its proper divisors (528525119457).

1020315545343 is a wasteful number, since it uses less digits than its factorization.

1020315545343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55752 (or 55749 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 1020315545343 in words is "one trillion, twenty billion, three hundred fifteen million, five hundred forty-five thousand, three hundred forty-three".