31004343521314 has 4 divisors (see below), whose sum is σ = 46506515281974. Its totient is φ = 15502171760656.

The previous prime is 31004343521311. The next prime is 31004343521317. The reversal of 31004343521314 is 41312534340013.

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

It is an interprime number because it is at equal distance from previous prime (31004343521311) and next prime (31004343521317).

It can be written as a sum of positive squares in only one way, i.e., 30952721409289 + 51622112025 = 5563517^2 + 227205^2 .

It is a super-2 number, since 2×31004343521314² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31004343521314.

It is not an unprimeable number, because it can be changed into a prime (31004343521311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7751085880327 + ... + 7751085880330.

Almost surely, 2^{31004343521314} is an apocalyptic number.

31004343521314 is a deficient number, since it is larger than the sum of its proper divisors (15502171760660).

31004343521314 is a wasteful number, since it uses less digits than its factorization.

31004343521314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15502171760659.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 31004343521314 its reverse (41312534340013), we get a palindrome (72316877861327).

The spelling of 31004343521314 in words is "thirty-one trillion, four billion, three hundred forty-three million, five hundred twenty-one thousand, three hundred fourteen".