31112041241 has 4 divisors (see below), whose sum is σ = 32942161332. Its totient is φ = 29281921152.

The previous prime is 31112041229. The next prime is 31112041277. The reversal of 31112041241 is 14214021113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16880505625 + 14231535616 = 129925^2 + 119296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31112041241 is a prime.

It is a super-2 number, since 2×31112041241² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31112043241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915060020 + ... + 915060053.

It is an arithmetic number, because the mean of its divisors is an integer number (8235540333).

Almost surely, 2^31112041241 is an apocalyptic number.

It is an amenable number.

31112041241 is a deficient number, since it is larger than the sum of its proper divisors (1830120091).

31112041241 is a wasteful number, since it uses less digits than its factorization.

31112041241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830120090.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 31112041241 its reverse (14214021113), we get a palindrome (45326062354).

The spelling of 31112041241 in words is "thirty-one billion, one hundred twelve million, forty-one thousand, two hundred forty-one".