203142401031 has 16 divisors (see below), whose sum is σ = 280043964000. Its totient is φ = 130883683968.

The previous prime is 203142401009. The next prime is 203142401047. The reversal of 203142401031 is 130104241302.

It is not a de Polignac number, because 203142401031 - 2⁹ = 203142400519 is a prime.

It is a super-2 number, since 2×203142401031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203142400989 and 203142401007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203142401431) 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, 6124776 + ... + 6157853.

It is an arithmetic number, because the mean of its divisors is an integer number (17502747750).

Almost surely, 2^203142401031 is an apocalyptic number.

203142401031 is a deficient number, since it is larger than the sum of its proper divisors (76901562969).

203142401031 is a wasteful number, since it uses less digits than its factorization.

203142401031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12282818.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 203142401031 its reverse (130104241302), we get a palindrome (333246642333).

The spelling of 203142401031 in words is "two hundred three billion, one hundred forty-two million, four hundred one thousand, thirty-one".