31302120230002 has 16 divisors (see below), whose sum is σ = 47750236200000. Its totient is φ = 15385388599440.

The previous prime is 31302120229997. The next prime is 31302120230011. The reversal of 31302120230002 is 20003202120313.

It is a super-2 number, since 2×31302120230002² (a number of 28 digits) contains 22 as substring.

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, 1149427 + ... + 7995337.

It is an arithmetic number, because the mean of its divisors is an integer number (2984389762500).

Almost surely, 2^{31302120230002} is an apocalyptic number.

31302120230002 is a deficient number, since it is larger than the sum of its proper divisors (16448115969998).

31302120230002 is a wasteful number, since it uses less digits than its factorization.

31302120230002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884721.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31302120230002 its reverse (20003202120313), we get a palindrome (51305322350315).

The spelling of 31302120230002 in words is "thirty-one trillion, three hundred two billion, one hundred twenty million, two hundred thirty thousand, two".