31300123002 has 16 divisors (see below), whose sum is σ = 66282613632. Its totient is φ = 9819646400.

The previous prime is 31300122977. The next prime is 31300123003. The reversal of 31300123002 is 20032100313.

It is not an unprimeable number, because it can be changed into a prime (31300123003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153431874 + ... + 153432077.

It is an arithmetic number, because the mean of its divisors is an integer number (4142663352).

Almost surely, 2^31300123002 is an apocalyptic number.

31300123002 is an abundant number, since it is smaller than the sum of its proper divisors (34982490630).

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

31300123002 is a wasteful number, since it uses less digits than its factorization.

31300123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306863973.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31300123002 its reverse (20032100313), we get a palindrome (51332223315).

The spelling of 31300123002 in words is "thirty-one billion, three hundred million, one hundred twenty-three thousand, two".