31123000311122 has 32 divisors (see below), whose sum is σ = 47237304703680. Its totient is φ = 15378431808960.

The previous prime is 31123000311121. The next prime is 31123000311289. The reversal of 31123000311122 is 22111300032113.

It is a happy number.

It is a super-2 number, since 2×31123000311122² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31123000311094 and 31123000311103.

It is not an unprimeable number, because it can be changed into a prime (31123000311121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93986213 + ... + 94316775.

It is an arithmetic number, because the mean of its divisors is an integer number (1476165771990).

Almost surely, 2^{31123000311122} is an apocalyptic number.

31123000311122 is a deficient number, since it is larger than the sum of its proper divisors (16114304392558).

31123000311122 is a wasteful number, since it uses less digits than its factorization.

31123000311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332378.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31123000311122 its reverse (22111300032113), we get a palindrome (53234300343235).

The spelling of 31123000311122 in words is "thirty-one trillion, one hundred twenty-three billion, three hundred eleven thousand, one hundred twenty-two".