31120303102101 has 6 divisors (see below), whose sum is σ = 44951548925270. Its totient is φ = 20746868734728.

The previous prime is 31120303102079. The next prime is 31120303102211. The reversal of 31120303102101 is 10120130302113.

31120303102101 is a `hidden beast` number, since 3 + 112 + 0 + 30 + 310 + 210 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19797071372100 + 11323231730001 = 4449390^2 + 3365001^2 .

It is not a de Polignac number, because 31120303102101 - 2¹³ = 31120303093909 is a prime.

It is a super-2 number, since 2×31120303102101² (a number of 28 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 (31120303102601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1728905727886 + ... + 1728905727903.

Almost surely, 2^{31120303102101} is an apocalyptic number.

It is an amenable number.

31120303102101 is a deficient number, since it is larger than the sum of its proper divisors (13831245823169).

31120303102101 is a wasteful number, since it uses less digits than its factorization.

31120303102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457811455795 (or 3457811455792 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31120303102101 its reverse (10120130302113), we get a palindrome (41240433404214).

The spelling of 31120303102101 in words is "thirty-one trillion, one hundred twenty billion, three hundred three million, one hundred two thousand, one hundred one".