31023213002030 has 16 divisors (see below), whose sum is σ = 55845119335104. Its totient is φ = 12408543882720.

The previous prime is 31023213001993. The next prime is 31023213002057. The reversal of 31023213002030 is 3020031232013.

It is a junction number, because it is equal to n+sod(n) for n = 31023213001993 and 31023213002011.

It is a congruent number.

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, 92488982 + ... + 92823801.

It is an arithmetic number, because the mean of its divisors is an integer number (3490319958444).

Almost surely, 2^{31023213002030} is an apocalyptic number.

31023213002030 is a deficient number, since it is larger than the sum of its proper divisors (24821906333074).

31023213002030 is a wasteful number, since it uses less digits than its factorization.

31023213002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185329531.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31023213002030 its reverse (3020031232013), we get a palindrome (34043244234043).

The spelling of 31023213002030 in words is "thirty-one trillion, twenty-three billion, two hundred thirteen million, two thousand, thirty".