2142312132157 has 2 divisors, whose sum is σ = 2142312132158. Its totient is φ = 2142312132156.

The previous prime is 2142312132151. The next prime is 2142312132187. The reversal of 2142312132157 is 7512312132412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1517217916516 + 625094215641 = 1231754^2 + 790629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142312132157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142312132151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071156066078 + 1071156066079.

It is an arithmetic number, because the mean of its divisors is an integer number (1071156066079).

Almost surely, 2^{2142312132157} is an apocalyptic number.

It is an amenable number.

2142312132157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142312132157 is an equidigital number, since it uses as much as digits as its factorization.

2142312132157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

Adding to 2142312132157 its reverse (7512312132412), we get a palindrome (9654624264569).

The spelling of 2142312132157 in words is "two trillion, one hundred forty-two billion, three hundred twelve million, one hundred thirty-two thousand, one hundred fifty-seven".