31452534742 has 4 divisors (see below), whose sum is σ = 47178802116. Its totient is φ = 15726267370.

The previous prime is 31452534733. The next prime is 31452534829. The reversal of 31452534742 is 24743525413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24743525413 = 257 ⋅96278309.

It is a junction number, because it is equal to n+sod(n) for n = 31452534695 and 31452534704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7863133684 + ... + 7863133687.

It is an arithmetic number, because the mean of its divisors is an integer number (11794700529).

Almost surely, 2^31452534742 is an apocalyptic number.

31452534742 is a deficient number, since it is larger than the sum of its proper divisors (15726267374).

31452534742 is a wasteful number, since it uses less digits than its factorization.

31452534742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15726267373.

The product of its digits is 403200, while the sum is 40.

The spelling of 31452534742 in words is "thirty-one billion, four hundred fifty-two million, five hundred thirty-four thousand, seven hundred forty-two".