203420213031310 has 16 divisors (see below), whose sum is σ = 399443327407152. Its totient is φ = 73970986556800.

The previous prime is 203420213031307. The next prime is 203420213031353. The reversal of 203420213031310 is 13130312024302.

It is a super-2 number, since 2×203420213031310² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 924637331851 + ... + 924637332070.

It is an arithmetic number, because the mean of its divisors is an integer number (24965207962947).

Almost surely, 2^{203420213031310} is an apocalyptic number.

203420213031310 is a deficient number, since it is larger than the sum of its proper divisors (196023114375842).

203420213031310 is a wasteful number, since it uses less digits than its factorization.

203420213031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849274663939.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203420213031310 its reverse (13130312024302), we get a palindrome (216550525055612).

The spelling of 203420213031310 in words is "two hundred three trillion, four hundred twenty billion, two hundred thirteen million, thirty-one thousand, three hundred ten".