31010345223 has 32 divisors (see below), whose sum is σ = 48863189760. Its totient is φ = 17348404320.

The previous prime is 31010345207. The next prime is 31010345237. The reversal of 31010345223 is 32254301013.

It is not a de Polignac number, because 31010345223 - 2⁴ = 31010345207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31010345193 and 31010345202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010345623) 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, 141361 + ... + 286362.

It is an arithmetic number, because the mean of its divisors is an integer number (1526974680).

Almost surely, 2^31010345223 is an apocalyptic number.

31010345223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31010345223 is a deficient number, since it is larger than the sum of its proper divisors (17852844537).

31010345223 is a wasteful number, since it uses less digits than its factorization.

31010345223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427776 (or 427750 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 31010345223 its reverse (32254301013), we get a palindrome (63264646236).

The spelling of 31010345223 in words is "thirty-one billion, ten million, three hundred forty-five thousand, two hundred twenty-three".