2102754640031 has 4 divisors (see below), whose sum is σ = 2103206170272. Its totient is φ = 2102303109792.

The previous prime is 2102754639989. The next prime is 2102754640081. The reversal of 2102754640031 is 1300464572012.

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 2102754640031 - 2¹⁴ = 2102754623647 is a prime.

It is a super-2 number, since 2×2102754640031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102754639973 and 2102754640000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102754640081) 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, 225758135 + ... + 225767448.

It is an arithmetic number, because the mean of its divisors is an integer number (525801542568).

Almost surely, 2^{2102754640031} is an apocalyptic number.

2102754640031 is a deficient number, since it is larger than the sum of its proper divisors (451530241).

2102754640031 is an equidigital number, since it uses as much as digits as its factorization.

2102754640031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451530240.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 2102754640031 in words is "two trillion, one hundred two billion, seven hundred fifty-four million, six hundred forty thousand, thirty-one".