1003131012021 has 16 divisors (see below), whose sum is σ = 1397179299840. Its totient is φ = 638981647920.

The previous prime is 1003131011999. The next prime is 1003131012167. The reversal of 1003131012021 is 1202101313001.

It is a happy number.

1003131012021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1003131012021 - 2¹⁴ = 1003130995637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003131412021) 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, 7846345 + ... + 7973166.

It is an arithmetic number, because the mean of its divisors is an integer number (87323706240).

Almost surely, 2^{1003131012021} is an apocalyptic number.

It is an amenable number.

1003131012021 is a deficient number, since it is larger than the sum of its proper divisors (394048287819).

1003131012021 is a wasteful number, since it uses less digits than its factorization.

1003131012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15820456.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1003131012021 its reverse (1202101313001), we get a palindrome (2205232325022).

The spelling of 1003131012021 in words is "one trillion, three billion, one hundred thirty-one million, twelve thousand, twenty-one".