311230231210030 has 32 divisors (see below), whose sum is σ = 611145840375648. Its totient is φ = 113174103436800.

The previous prime is 311230231209991. The next prime is 311230231210039. The reversal of 311230231210030 is 30012132032113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 311230231209983 and 311230231210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311230231210039) 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, 17596914 + ... + 30530506.

It is an arithmetic number, because the mean of its divisors is an integer number (19098307511739).

Almost surely, 2^{311230231210030} is an apocalyptic number.

311230231210030 is a deficient number, since it is larger than the sum of its proper divisors (299915609165618).

311230231210030 is a wasteful number, since it uses less digits than its factorization.

311230231210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152372.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 311230231210030 its reverse (30012132032113), we get a palindrome (341242363242143).

The spelling of 311230231210030 in words is "three hundred eleven trillion, two hundred thirty billion, two hundred thirty-one million, two hundred ten thousand, thirty".