331421140441403 has 4 divisors (see below), whose sum is σ = 333805465192920. Its totient is φ = 329036815689888.

The previous prime is 331421140441319. The next prime is 331421140441471. The reversal of 331421140441403 is 304144041124133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331421140441403 - 2²⁴ = 331421123664187 is a prime.

It is a super-2 number, since 2×331421140441403² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331421140441483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192162375550 + ... + 1192162375827.

It is an arithmetic number, because the mean of its divisors is an integer number (83451366298230).

Almost surely, 2^{331421140441403} is an apocalyptic number.

331421140441403 is a deficient number, since it is larger than the sum of its proper divisors (2384324751517).

331421140441403 is a wasteful number, since it uses less digits than its factorization.

331421140441403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384324751516.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 331421140441403 its reverse (304144041124133), we get a palindrome (635565181565536).

The spelling of 331421140441403 in words is "three hundred thirty-one trillion, four hundred twenty-one billion, one hundred forty million, four hundred forty-one thousand, four hundred three".