31031143214 has 8 divisors (see below), whose sum is σ = 46548088608. Its totient is φ = 15515113680.

The previous prime is 31031143211. The next prime is 31031143219. The reversal of 31031143214 is 41234113013.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31031143214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031143211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136847 + ... + 284234.

It is an arithmetic number, because the mean of its divisors is an integer number (5818511076).

Almost surely, 2^31031143214 is an apocalyptic number.

31031143214 is a deficient number, since it is larger than the sum of its proper divisors (15516945394).

31031143214 is a wasteful number, since it uses less digits than its factorization.

31031143214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457930.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31031143214 its reverse (41234113013), we get a palindrome (72265256227).

The spelling of 31031143214 in words is "thirty-one billion, thirty-one million, one hundred forty-three thousand, two hundred fourteen".