31542141306 has 16 divisors (see below), whose sum is σ = 67936919904. Its totient is φ = 9705274224.

The previous prime is 31542141229. The next prime is 31542141307. The reversal of 31542141306 is 60314124513.

It is not an unprimeable number, because it can be changed into a prime (31542141307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202193136 + ... + 202193291.

It is an arithmetic number, because the mean of its divisors is an integer number (4246057494).

Almost surely, 2^31542141306 is an apocalyptic number.

31542141306 is an abundant number, since it is smaller than the sum of its proper divisors (36394778598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31542141306 is a wasteful number, since it uses less digits than its factorization.

31542141306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404386445.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 31542141306 its reverse (60314124513), we get a palindrome (91856265819).

The spelling of 31542141306 in words is "thirty-one billion, five hundred forty-two million, one hundred forty-one thousand, three hundred six".