1020143113357 has 2 divisors, whose sum is σ = 1020143113358. Its totient is φ = 1020143113356.

The previous prime is 1020143113351. The next prime is 1020143113399. The reversal of 1020143113357 is 7533113410201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725369042596 + 294774070761 = 851686^2 + 542931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020143113357 - 2²⁷ = 1020008895629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020143113351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510071556678 + 510071556679.

It is an arithmetic number, because the mean of its divisors is an integer number (510071556679).

Almost surely, 2^{1020143113357} is an apocalyptic number.

It is an amenable number.

1020143113357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020143113357 is an equidigital number, since it uses as much as digits as its factorization.

1020143113357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 1020143113357 its reverse (7533113410201), we get a palindrome (8553256523558).

The spelling of 1020143113357 in words is "one trillion, twenty billion, one hundred forty-three million, one hundred thirteen thousand, three hundred fifty-seven".