31241342410042 has 4 divisors (see below), whose sum is σ = 46862013615066. Its totient is φ = 15620671205020.

The previous prime is 31241342410039. The next prime is 31241342410051. The reversal of 31241342410042 is 24001424314213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21114493692601 + 10126848717441 = 4595051^2 + 3182271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31241342409986 and 31241342410013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7810335602509 + ... + 7810335602512.

Almost surely, 2^{31241342410042} is an apocalyptic number.

31241342410042 is a deficient number, since it is larger than the sum of its proper divisors (15620671205024).

31241342410042 is a wasteful number, since it uses less digits than its factorization.

31241342410042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620671205023.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 31241342410042 its reverse (24001424314213), we get a palindrome (55242766724255).

The spelling of 31241342410042 in words is "thirty-one trillion, two hundred forty-one billion, three hundred forty-two million, four hundred ten thousand, forty-two".