31301434242 has 48 divisors (see below), whose sum is σ = 73056929400. Its totient is φ = 9628540416.

The previous prime is 31301434237. The next prime is 31301434243. The reversal of 31301434242 is 24243410313.

31301434242 is a `hidden beast` number, since 313 + 0 + 1 + 4 + 342 + 4 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6554683521 + 24746750721 = 80961^2 + 157311^2 .

It is a super-2 number, since 2×31301434242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31301434243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930948 + ... + 963984.

Almost surely, 2^31301434242 is an apocalyptic number.

31301434242 is an abundant number, since it is smaller than the sum of its proper divisors (41755495158).

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

31301434242 is a wasteful number, since it uses less digits than its factorization.

31301434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37107 (or 37104 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31301434242 its reverse (24243410313), we get a palindrome (55544844555).

The spelling of 31301434242 in words is "thirty-one billion, three hundred one million, four hundred thirty-four thousand, two hundred forty-two".