31400020214142 has 8 divisors (see below), whose sum is σ = 62800040428296. Its totient is φ = 10466673404712.

The previous prime is 31400020214089. The next prime is 31400020214179. The reversal of 31400020214142 is 24141202000413.

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

31400020214142 is an admirable number.

It is a super-2 number, since 2×31400020214142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616668351173 + ... + 2616668351184.

It is an arithmetic number, because the mean of its divisors is an integer number (7850005053537).

Almost surely, 2^{31400020214142} is an apocalyptic number.

31400020214142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31400020214142 is a wasteful number, since it uses less digits than its factorization.

31400020214142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233336702362.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 31400020214142 its reverse (24141202000413), we get a palindrome (55541222214555).

The spelling of 31400020214142 in words is "thirty-one trillion, four hundred billion, twenty million, two hundred fourteen thousand, one hundred forty-two".