31401870214 has 32 divisors (see below), whose sum is σ = 55354150656. Its totient is φ = 13171660320.

The previous prime is 31401870211. The next prime is 31401870221. The reversal of 31401870214 is 41207810413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31401870211) 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, 1062789 + ... + 1091935.

It is an arithmetic number, because the mean of its divisors is an integer number (1729817208).

Almost surely, 2^31401870214 is an apocalyptic number.

31401870214 is a deficient number, since it is larger than the sum of its proper divisors (23952280442).

31401870214 is a wasteful number, since it uses less digits than its factorization.

31401870214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32940.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 31401870214 in words is "thirty-one billion, four hundred one million, eight hundred seventy thousand, two hundred fourteen".