31021201011230 has 16 divisors (see below), whose sum is σ = 55864891470960. Its totient is φ = 12402540482112.

The previous prime is 31021201011223. The next prime is 31021201011263. The reversal of 31021201011230 is 3211010212013.

It is a super-2 number, since 2×31021201011230² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31021201011199 and 31021201011208.

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, 742468364 + ... + 742510143.

It is an arithmetic number, because the mean of its divisors is an integer number (3491555716935).

Almost surely, 2^{31021201011230} is an apocalyptic number.

31021201011230 is a deficient number, since it is larger than the sum of its proper divisors (24843690459730).

31021201011230 is a wasteful number, since it uses less digits than its factorization.

31021201011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484980603.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31021201011230 its reverse (3211010212013), we get a palindrome (34232211223243).

The spelling of 31021201011230 in words is "thirty-one trillion, twenty-one billion, two hundred one million, eleven thousand, two hundred thirty".