31241305401242 has 16 divisors (see below), whose sum is σ = 47219958449352. Its totient is φ = 15501653052480.

The previous prime is 31241305401161. The next prime is 31241305401269. The reversal of 31241305401242 is 24210450314213.

It can be written as a sum of positive squares in 4 ways, for example, as 26525888808241 + 4715416593001 = 5150329^2 + 2171501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31241305401199 and 31241305401208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83262713 + ... + 83637084.

Almost surely, 2^{31241305401242} is an apocalyptic number.

31241305401242 is a deficient number, since it is larger than the sum of its proper divisors (15978653048110).

31241305401242 is a wasteful number, since it uses less digits than its factorization.

31241305401242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166900513.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 31241305401242 its reverse (24210450314213), we get a palindrome (55451755715455).

The spelling of 31241305401242 in words is "thirty-one trillion, two hundred forty-one billion, three hundred five million, four hundred one thousand, two hundred forty-two".