2031142133421 has 32 divisors (see below), whose sum is σ = 3018571543680. Its totient is φ = 1349834398848.

The previous prime is 2031142133407. The next prime is 2031142133479. The reversal of 2031142133421 is 1243312411302.

2031142133421 is a `hidden beast` number, since 2 + 0 + 311 + 4 + 2 + 1 + 3 + 342 + 1 = 666.

It is not a de Polignac number, because 2031142133421 - 2¹⁵ = 2031142100653 is a prime.

It is a super-2 number, since 2×2031142133421² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031142133491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37983315 + ... + 38036751.

It is an arithmetic number, because the mean of its divisors is an integer number (94330360740).

Almost surely, 2^{2031142133421} is an apocalyptic number.

It is an amenable number.

2031142133421 is a deficient number, since it is larger than the sum of its proper divisors (987429410259).

2031142133421 is a wasteful number, since it uses less digits than its factorization.

2031142133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57850 (or 57844 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2031142133421 its reverse (1243312411302), we get a palindrome (3274454544723).

The spelling of 2031142133421 in words is "two trillion, thirty-one billion, one hundred forty-two million, one hundred thirty-three thousand, four hundred twenty-one".