31354465541 has 4 divisors (see below), whose sum is σ = 35833674912. Its totient is φ = 26875256172.

The previous prime is 31354465477. The next prime is 31354465547. The reversal of 31354465541 is 14556445313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14556445313 = 17 ⋅856261489.

It is a cyclic number.

It is not a de Polignac number, because 31354465541 - 2⁶ = 31354465477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31354465547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239604675 + ... + 2239604688.

It is an arithmetic number, because the mean of its divisors is an integer number (8958418728).

Almost surely, 2^31354465541 is an apocalyptic number.

It is an amenable number.

31354465541 is a deficient number, since it is larger than the sum of its proper divisors (4479209371).

31354465541 is an equidigital number, since it uses as much as digits as its factorization.

31354465541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479209370.

The product of its digits is 432000, while the sum is 41.

The spelling of 31354465541 in words is "thirty-one billion, three hundred fifty-four million, four hundred sixty-five thousand, five hundred forty-one".