20203131213310 has 64 divisors (see below), whose sum is σ = 36806272945344. Its totient is φ = 7983643852800.

The previous prime is 20203131213263. The next prime is 20203131213359. The reversal of 20203131213310 is 1331213130202.

It is a super-2 number, since 2×20203131213310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1472417250 + ... + 1472430970.

It is an arithmetic number, because the mean of its divisors is an integer number (575098014771).

Almost surely, 2^{20203131213310} is an apocalyptic number.

20203131213310 is a deficient number, since it is larger than the sum of its proper divisors (16603141732034).

20203131213310 is a wasteful number, since it uses less digits than its factorization.

20203131213310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16429.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20203131213310 its reverse (1331213130202), we get a palindrome (21534344343512).

The spelling of 20203131213310 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred ten".