31261542122434 has 32 divisors (see below), whose sum is σ = 51301180773360. Its totient is φ = 14285548368000.

The previous prime is 31261542122423. The next prime is 31261542122467. The reversal of 31261542122434 is 43422124516213.

It can be written as a sum of positive squares in 8 ways, for example, as 1725610640625 + 29535931481809 = 1313625^2 + 5434697^2 .

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, 34776987 + ... + 35664574.

Almost surely, 2^{31261542122434} is an apocalyptic number.

31261542122434 is a deficient number, since it is larger than the sum of its proper divisors (20039638650926).

31261542122434 is a wasteful number, since it uses less digits than its factorization.

31261542122434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70441703 (or 70441677 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

Adding to 31261542122434 its reverse (43422124516213), we get a palindrome (74683666638647).

The spelling of 31261542122434 in words is "thirty-one trillion, two hundred sixty-one billion, five hundred forty-two million, one hundred twenty-two thousand, four hundred thirty-four".