74311312222031 has 4 divisors (see below), whose sum is σ = 76873771264200. Its totient is φ = 71748853179864.

The previous prime is 74311312222003. The next prime is 74311312222067. The reversal of 74311312222031 is 13022221311347.

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

It is a cyclic number.

It is not a de Polignac number, because 74311312222031 - 2³⁸ = 74036434315087 is a prime.

It is a super-2 number, since 2×74311312222031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74311312212031) 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, 1281229521041 + ... + 1281229521098.

It is an arithmetic number, because the mean of its divisors is an integer number (19218442816050).

Almost surely, 2^{74311312222031} is an apocalyptic number.

74311312222031 is a deficient number, since it is larger than the sum of its proper divisors (2562459042169).

74311312222031 is a wasteful number, since it uses less digits than its factorization.

74311312222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562459042168.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 74311312222031 its reverse (13022221311347), we get a palindrome (87333533533378).

The spelling of 74311312222031 in words is "seventy-four trillion, three hundred eleven billion, three hundred twelve million, two hundred twenty-two thousand, thirty-one".