1002230319157 has 2 divisors, whose sum is σ = 1002230319158. Its totient is φ = 1002230319156.

The previous prime is 1002230319137. The next prime is 1002230319193. The reversal of 1002230319157 is 7519130322001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902517100081 + 99713219076 = 950009^2 + 315774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002230319157 - 2⁷ = 1002230319029 is a prime.

It is a super-2 number, since 2×1002230319157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002230319127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501115159578 + 501115159579.

It is an arithmetic number, because the mean of its divisors is an integer number (501115159579).

Almost surely, 2^{1002230319157} is an apocalyptic number.

It is an amenable number.

1002230319157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002230319157 is an equidigital number, since it uses as much as digits as its factorization.

1002230319157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 1002230319157 in words is "one trillion, two billion, two hundred thirty million, three hundred nineteen thousand, one hundred fifty-seven".