31472152117 has 8 divisors (see below), whose sum is σ = 35969544000. Its totient is φ = 26975102784.

The previous prime is 31472152111. The next prime is 31472152171. The reversal of 31472152117 is 71125127413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31472152117 - 2⁷ = 31472151989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31472152111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157134 + ... + 296032.

It is an arithmetic number, because the mean of its divisors is an integer number (4496193000).

Almost surely, 2^31472152117 is an apocalyptic number.

It is an amenable number.

31472152117 is a deficient number, since it is larger than the sum of its proper divisors (4497391883).

31472152117 is a wasteful number, since it uses less digits than its factorization.

31472152117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171275.

The product of its digits is 11760, while the sum is 34.

The spelling of 31472152117 in words is "thirty-one billion, four hundred seventy-two million, one hundred fifty-two thousand, one hundred seventeen".