2031400552541 has 4 divisors (see below), whose sum is σ = 2038629736284. Its totient is φ = 2024171368800.

The previous prime is 2031400552537. The next prime is 2031400552579. The reversal of 2031400552541 is 1452550041302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 767777260441 + 1263623292100 = 876229^2 + 1124110^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031400552541 - 2² = 2031400552537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031400552498 and 2031400552507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031400552141) 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, 3614591450 + ... + 3614592011.

It is an arithmetic number, because the mean of its divisors is an integer number (509657434071).

Almost surely, 2^{2031400552541} is an apocalyptic number.

It is an amenable number.

2031400552541 is a deficient number, since it is larger than the sum of its proper divisors (7229183743).

2031400552541 is an equidigital number, since it uses as much as digits as its factorization.

2031400552541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229183742.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 2031400552541 its reverse (1452550041302), we get a palindrome (3483950593843).

The spelling of 2031400552541 in words is "two trillion, thirty-one billion, four hundred million, five hundred fifty-two thousand, five hundred forty-one".