31400222314 has 4 divisors (see below), whose sum is σ = 47100333474. Its totient is φ = 15700111156.

The previous prime is 31400222299. The next prime is 31400222333. The reversal of 31400222314 is 41322200413.

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

It can be written as a sum of positive squares in only one way, i.e., 25832525625 + 5567696689 = 160725^2 + 74617^2 .

It is a super-2 number, since 2×31400222314² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7850055577 + ... + 7850055580.

Almost surely, 2^31400222314 is an apocalyptic number.

31400222314 is a deficient number, since it is larger than the sum of its proper divisors (15700111160).

31400222314 is a wasteful number, since it uses less digits than its factorization.

31400222314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15700111159.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31400222314 its reverse (41322200413), we get a palindrome (72722422727).

The spelling of 31400222314 in words is "thirty-one billion, four hundred million, two hundred twenty-two thousand, three hundred fourteen".