31427855872414 has 4 divisors (see below), whose sum is σ = 47141783808624. Its totient is φ = 15713927936206.

The previous prime is 31427855872363. The next prime is 31427855872433. The reversal of 31427855872414 is 41427855872413.

It is a semiprime because it is the product of two primes.

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, 7856963968102 + ... + 7856963968105.

It is an arithmetic number, because the mean of its divisors is an integer number (11785445952156).

Almost surely, 2^{31427855872414} is an apocalyptic number.

31427855872414 is a deficient number, since it is larger than the sum of its proper divisors (15713927936210).

31427855872414 is a wasteful number, since it uses less digits than its factorization.

31427855872414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15713927936209.

The product of its digits is 60211200, while the sum is 61.

Subtracting 31427855872414 from its reverse (41427855872413), we obtain a palindrome (9999999999999).

The spelling of 31427855872414 in words is "thirty-one trillion, four hundred twenty-seven billion, eight hundred fifty-five million, eight hundred seventy-two thousand, four hundred fourteen".