31542301242 has 24 divisors (see below), whose sum is σ = 71938582560. Its totient is φ = 9960726600.

The previous prime is 31542301237. The next prime is 31542301243. The reversal of 31542301242 is 24210324513.

31542301242 is a `hidden beast` number, since 315 + 4 + 2 + 301 + 2 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (31542301243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46114134 + ... + 46114817.

It is an arithmetic number, because the mean of its divisors is an integer number (2997440940).

Almost surely, 2^31542301242 is an apocalyptic number.

31542301242 is an abundant number, since it is smaller than the sum of its proper divisors (40396281318).

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

31542301242 is a wasteful number, since it uses less digits than its factorization.

31542301242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92228978 (or 92228975 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 31542301242 its reverse (24210324513), we get a palindrome (55752625755).

The spelling of 31542301242 in words is "thirty-one billion, five hundred forty-two million, three hundred one thousand, two hundred forty-two".