31240041342412 has 48 divisors (see below), whose sum is σ = 62997579912960. Its totient is φ = 13278097950912.

The previous prime is 31240041342409. The next prime is 31240041342473. The reversal of 31240041342412 is 21424314004213.

It is a happy number.

It is a super-2 number, since 2×31240041342412² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6485818 + ... + 10224769.

It is an arithmetic number, because the mean of its divisors is an integer number (1312449581520).

Almost surely, 2^{31240041342412} is an apocalyptic number.

It is an amenable number.

31240041342412 is an abundant number, since it is smaller than the sum of its proper divisors (31757538570548).

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

31240041342412 is a wasteful number, since it uses less digits than its factorization.

31240041342412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16711150 (or 16711148 counting only the distinct ones).

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

Adding to 31240041342412 its reverse (21424314004213), we get a palindrome (52664355346625).

The spelling of 31240041342412 in words is "thirty-one trillion, two hundred forty billion, forty-one million, three hundred forty-two thousand, four hundred twelve".