31742165311 has 2 divisors, whose sum is σ = 31742165312. Its totient is φ = 31742165310.

The previous prime is 31742165303. The next prime is 31742165369. The reversal of 31742165311 is 11356124713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31742165311 - 2³ = 31742165303 is a prime.

It is a super-3 number, since 3×31742165311³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31742115311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15871082655 + 15871082656.

It is an arithmetic number, because the mean of its divisors is an integer number (15871082656).

Almost surely, 2^31742165311 is an apocalyptic number.

31742165311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31742165311 is an equidigital number, since it uses as much as digits as its factorization.

31742165311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The spelling of 31742165311 in words is "thirty-one billion, seven hundred forty-two million, one hundred sixty-five thousand, three hundred eleven".