31454401121 has 16 divisors (see below), whose sum is σ = 36963326400. Its totient is φ = 26388227520.

The previous prime is 31454401081. The next prime is 31454401123. The reversal of 31454401121 is 12110445413.

It is a cyclic number.

It is not a de Polignac number, because 31454401121 - 2¹⁰ = 31454400097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31454401123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544955 + ... + 599903.

It is an arithmetic number, because the mean of its divisors is an integer number (2310207900).

Almost surely, 2^31454401121 is an apocalyptic number.

It is an amenable number.

31454401121 is a deficient number, since it is larger than the sum of its proper divisors (5508925279).

31454401121 is a wasteful number, since it uses less digits than its factorization.

31454401121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58976.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 31454401121 its reverse (12110445413), we get a palindrome (43564846534).

The spelling of 31454401121 in words is "thirty-one billion, four hundred fifty-four million, four hundred one thousand, one hundred twenty-one".