31003000122 has 16 divisors (see below), whose sum is σ = 62352404640. Its totient is φ = 10276599312.

The previous prime is 31003000117. The next prime is 31003000163. The reversal of 31003000122 is 22100030013.

It is a happy number.

It is a super-2 number, since 2×31003000122² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31003000098 and 31003000107.

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, 14432353 + ... + 14434500.

It is an arithmetic number, because the mean of its divisors is an integer number (3897025290).

Almost surely, 2^31003000122 is an apocalyptic number.

31003000122 is an abundant number, since it is smaller than the sum of its proper divisors (31349404518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31003000122 is a wasteful number, since it uses less digits than its factorization.

31003000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28867037.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 31003000122 its reverse (22100030013), we get a palindrome (53103030135).

The spelling of 31003000122 in words is "thirty-one billion, three million, one hundred twenty-two", and thus it is an aban number.