31120230122 has 16 divisors (see below), whose sum is σ = 46959519744. Its totient is φ = 15467178000.

The previous prime is 31120230019. The next prime is 31120230143. The reversal of 31120230122 is 22103202113.

It is a super-2 number, since 2×31120230122² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31120230122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498047 + ... + 557037.

It is an arithmetic number, because the mean of its divisors is an integer number (2934969984).

Almost surely, 2^31120230122 is an apocalyptic number.

31120230122 is a deficient number, since it is larger than the sum of its proper divisors (15839289622).

31120230122 is a wasteful number, since it uses less digits than its factorization.

31120230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60565.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31120230122 its reverse (22103202113), we get a palindrome (53223432235).

The spelling of 31120230122 in words is "thirty-one billion, one hundred twenty million, two hundred thirty thousand, one hundred twenty-two".