47031325121 has 32 divisors (see below), whose sum is σ = 53485166592. Its totient is φ = 40985199360.

The previous prime is 47031325111. The next prime is 47031325139. The reversal of 47031325121 is 12152313074.

47031325121 = 348² + 349² + ... + 5206².

It is a cyclic number.

It is not a de Polignac number, because 47031325121 - 2⁶ = 47031325057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47031325111) 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, 5500976 + ... + 5509518.

It is an arithmetic number, because the mean of its divisors is an integer number (1671411456).

Almost surely, 2^47031325121 is an apocalyptic number.

It is an amenable number.

47031325121 is a deficient number, since it is larger than the sum of its proper divisors (6453841471).

47031325121 is a wasteful number, since it uses less digits than its factorization.

47031325121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 47031325121 its reverse (12152313074), we get a palindrome (59183638195).

The spelling of 47031325121 in words is "forty-seven billion, thirty-one million, three hundred twenty-five thousand, one hundred twenty-one".