31030104412405 has 32 divisors (see below), whose sum is σ = 42970492790784. Its totient is φ = 21070342299456.

The previous prime is 31030104412403. The next prime is 31030104412429. The reversal of 31030104412405 is 50421440103013.

It is a cyclic number.

It is not a de Polignac number, because 31030104412405 - 2¹ = 31030104412403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030104412403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94962034 + ... + 95288236.

It is an arithmetic number, because the mean of its divisors is an integer number (1342827899712).

Almost surely, 2^{31030104412405} is an apocalyptic number.

31030104412405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31030104412405 is a deficient number, since it is larger than the sum of its proper divisors (11940388378379).

31030104412405 is a wasteful number, since it uses less digits than its factorization.

31030104412405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352705.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 31030104412405 its reverse (50421440103013), we get a palindrome (81451544515418).

The spelling of 31030104412405 in words is "thirty-one trillion, thirty billion, one hundred four million, four hundred twelve thousand, four hundred five".