38031120312331 has 4 divisors (see below), whose sum is σ = 38033572208464. Its totient is φ = 38028668416200.

The previous prime is 38031120312307. The next prime is 38031120312343. The reversal of 38031120312331 is 13321302113083.

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 38031120312331 - 2⁵ = 38031120312299 is a prime.

It is a super-2 number, since 2×38031120312331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38031120312293 and 38031120312302.

It is not an unprimeable number, because it can be changed into a prime (38031120312391) 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, 1225924800 + ... + 1225955821.

It is an arithmetic number, because the mean of its divisors is an integer number (9508393052116).

Almost surely, 2^{38031120312331} is an apocalyptic number.

38031120312331 is a deficient number, since it is larger than the sum of its proper divisors (2451896133).

38031120312331 is a wasteful number, since it uses less digits than its factorization.

38031120312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451896132.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 38031120312331 in words is "thirty-eight trillion, thirty-one billion, one hundred twenty million, three hundred twelve thousand, three hundred thirty-one".