31742874429 has 16 divisors (see below), whose sum is σ = 49399246848. Its totient is φ = 17752853232.

The previous prime is 31742874413. The next prime is 31742874431. The reversal of 31742874429 is 92447824713.

It is not a de Polignac number, because 31742874429 - 2⁴ = 31742874413 is a prime.

It is a super-2 number, since 2×31742874429² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31742884429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16079497 + ... + 16081470.

It is an arithmetic number, because the mean of its divisors is an integer number (3087452928).

Almost surely, 2^31742874429 is an apocalyptic number.

It is an amenable number.

31742874429 is a deficient number, since it is larger than the sum of its proper divisors (17656372419).

31742874429 is a wasteful number, since it uses less digits than its factorization.

31742874429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32161024.

The product of its digits is 2709504, while the sum is 51.

The spelling of 31742874429 in words is "thirty-one billion, seven hundred forty-two million, eight hundred seventy-four thousand, four hundred twenty-nine".