31343774603225 has 24 divisors (see below), whose sum is σ = 44421023211840. Its totient is φ = 21491704537920.

The previous prime is 31343774603221. The next prime is 31343774603249. The reversal of 31343774603225 is 52230647734313.

It is a happy number.

It is not a de Polignac number, because 31343774603225 - 2² = 31343774603221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31343774603221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1641335 + ... + 8085884.

It is an arithmetic number, because the mean of its divisors is an integer number (1850875967160).

Almost surely, 2^{31343774603225} is an apocalyptic number.

31343774603225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31343774603225 is a deficient number, since it is larger than the sum of its proper divisors (13077248608615).

31343774603225 is a wasteful number, since it uses less digits than its factorization.

31343774603225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745649 (or 9745644 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 50.

The spelling of 31343774603225 in words is "thirty-one trillion, three hundred forty-three billion, seven hundred seventy-four million, six hundred three thousand, two hundred twenty-five".