31143211234127 has 2 divisors, whose sum is σ = 31143211234128. Its totient is φ = 31143211234126.

The previous prime is 31143211234063. The next prime is 31143211234139. The reversal of 31143211234127 is 72143211234113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31143211234127 - 2⁶ = 31143211234063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31143211234427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15571605617063 + 15571605617064.

It is an arithmetic number, because the mean of its divisors is an integer number (15571605617064).

Almost surely, 2^{31143211234127} is an apocalyptic number.

31143211234127 is a deficient number, since it is larger than the sum of its proper divisors (1).

31143211234127 is an equidigital number, since it uses as much as digits as its factorization.

31143211234127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The spelling of 31143211234127 in words is "thirty-one trillion, one hundred forty-three billion, two hundred eleven million, two hundred thirty-four thousand, one hundred twenty-seven".