31311121301132 has 12 divisors (see below), whose sum is σ = 54794506788840. Its totient is φ = 15655547932896.

The previous prime is 31311121301123. The next prime is 31311121301147. The reversal of 31311121301132 is 23110312111313.

It is a junction number, because it is equal to n+sod(n) for n = 31311121301098 and 31311121301107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4331744 + ... + 9021432.

It is an arithmetic number, because the mean of its divisors is an integer number (4566208899070).

Almost surely, 2^{31311121301132} is an apocalyptic number.

It is an amenable number.

31311121301132 is a deficient number, since it is larger than the sum of its proper divisors (23483385487708).

31311121301132 is a wasteful number, since it uses less digits than its factorization.

31311121301132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358840 (or 6358838 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 31311121301132 its reverse (23110312111313), we get a palindrome (54421433412445).

The spelling of 31311121301132 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty-one million, three hundred one thousand, one hundred thirty-two".