203344023431031 has 16 divisors (see below), whose sum is σ = 309913199404800. Its totient is φ = 116175719858688.

The previous prime is 203344023430997. The next prime is 203344023431083. The reversal of 203344023431031 is 130134320443302.

It is a happy number.

It is not a de Polignac number, because 203344023431031 - 2¹⁷ = 203344023299959 is a prime.

It is a super-2 number, since 2×203344023431031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203344023430983 and 203344023431001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203344023831031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869253561 + ... + 869487458.

It is an arithmetic number, because the mean of its divisors is an integer number (19369574962800).

Almost surely, 2^{203344023431031} is an apocalyptic number.

203344023431031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

203344023431031 is a deficient number, since it is larger than the sum of its proper divisors (106569175973769).

203344023431031 is a wasteful number, since it uses less digits than its factorization.

203344023431031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738746598.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 203344023431031 its reverse (130134320443302), we get a palindrome (333478343874333).

The spelling of 203344023431031 in words is "two hundred three trillion, three hundred forty-four billion, twenty-three million, four hundred thirty-one thousand, thirty-one".