31100301130123 has 12 divisors (see below), whose sum is σ = 33623878043448. Its totient is φ = 28744822596960.

The previous prime is 31100301130057. The next prime is 31100301130127. The reversal of 31100301130123 is 32103110300113.

It is not a de Polignac number, because 31100301130123 - 2¹³ = 31100301121931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31100301130123.

It is not an unprimeable number, because it can be changed into a prime (31100301130127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1050600061 + ... + 1050629662.

It is an arithmetic number, because the mean of its divisors is an integer number (2801989836954).

Almost surely, 2^{31100301130123} is an apocalyptic number.

31100301130123 is a deficient number, since it is larger than the sum of its proper divisors (2523576913325).

31100301130123 is a wasteful number, since it uses less digits than its factorization.

31100301130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101229802 (or 2101229783 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31100301130123 its reverse (32103110300113), we get a palindrome (63203411430236).

The spelling of 31100301130123 in words is "thirty-one trillion, one hundred billion, three hundred one million, one hundred thirty thousand, one hundred twenty-three".