38031120311 has 2 divisors, whose sum is σ = 38031120312. Its totient is φ = 38031120310.

The previous prime is 38031120307. The next prime is 38031120367. The reversal of 38031120311 is 11302113083.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38031120311 - 2² = 38031120307 is a prime.

It is a super-2 number, since 2×38031120311² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38031120371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19015560155 + 19015560156.

It is an arithmetic number, because the mean of its divisors is an integer number (19015560156).

Almost surely, 2^38031120311 is an apocalyptic number.

38031120311 is a deficient number, since it is larger than the sum of its proper divisors (1).

38031120311 is an equidigital number, since it uses as much as digits as its factorization.

38031120311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 38031120311 its reverse (11302113083), we get a palindrome (49333233394).

The spelling of 38031120311 in words is "thirty-eight billion, thirty-one million, one hundred twenty thousand, three hundred eleven".