31423484707 has 8 divisors (see below), whose sum is σ = 33127299072. Its totient is φ = 29762805000.

The previous prime is 31423484671. The next prime is 31423484749. The reversal of 31423484707 is 70748432413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31423484707 is a prime.

It is a super-2 number, since 2×31423484707² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31423484797) 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, 10782169 + ... + 10785082.

It is an arithmetic number, because the mean of its divisors is an integer number (4140912384).

Almost surely, 2^31423484707 is an apocalyptic number.

31423484707 is a deficient number, since it is larger than the sum of its proper divisors (1703814365).

31423484707 is a wasteful number, since it uses less digits than its factorization.

31423484707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21567329.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 31423484707 in words is "thirty-one billion, four hundred twenty-three million, four hundred eighty-four thousand, seven hundred seven".