31542141311 has 2 divisors, whose sum is σ = 31542141312. Its totient is φ = 31542141310.

The previous prime is 31542141307. The next prime is 31542141347. The reversal of 31542141311 is 11314124513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31542141311 - 2² = 31542141307 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31542741311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15771070655 + 15771070656.

It is an arithmetic number, because the mean of its divisors is an integer number (15771070656).

Almost surely, 2^31542141311 is an apocalyptic number.

31542141311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31542141311 is an equidigital number, since it uses as much as digits as its factorization.

31542141311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

Adding to 31542141311 its reverse (11314124513), we get a palindrome (42856265824).

The spelling of 31542141311 in words is "thirty-one billion, five hundred forty-two million, one hundred forty-one thousand, three hundred eleven".