134021343400231 has 32 divisors (see below), whose sum is σ = 155695387283072. Its totient is φ = 112994621153280.

The previous prime is 134021343400223. The next prime is 134021343400237. The reversal of 134021343400231 is 132004343120431.

It is not a de Polignac number, because 134021343400231 - 2³ = 134021343400223 is a prime.

It is a super-2 number, since 2×134021343400231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134021343400193 and 134021343400202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134021343400237) 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, 203314585 + ... + 203972701.

It is an arithmetic number, because the mean of its divisors is an integer number (4865480852596).

Almost surely, 2^{134021343400231} is an apocalyptic number.

134021343400231 is a deficient number, since it is larger than the sum of its proper divisors (21674043882841).

134021343400231 is a wasteful number, since it uses less digits than its factorization.

134021343400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660059.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 134021343400231 its reverse (132004343120431), we get a palindrome (266025686520662).

The spelling of 134021343400231 in words is "one hundred thirty-four trillion, twenty-one billion, three hundred forty-three million, four hundred thousand, two hundred thirty-one".