31023022121330 has 32 divisors (see below), whose sum is σ = 57227759463168. Its totient is φ = 12101395312000.

The previous prime is 31023022121327. The next prime is 31023022121339. The reversal of 31023022121330 is 3312122032013.

It is a junction number, because it is equal to n+sod(n) for n = 31023022121296 and 31023022121305.

It is not an unprimeable number, because it can be changed into a prime (31023022121339) 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, 15128372 + ... + 17056191.

It is an arithmetic number, because the mean of its divisors is an integer number (1788367483224).

Almost surely, 2^{31023022121330} is an apocalyptic number.

31023022121330 is a deficient number, since it is larger than the sum of its proper divisors (26204737341838).

31023022121330 is a wasteful number, since it uses less digits than its factorization.

31023022121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32186962.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31023022121330 its reverse (3312122032013), we get a palindrome (34335144153343).

The spelling of 31023022121330 in words is "thirty-one trillion, twenty-three billion, twenty-two million, one hundred twenty-one thousand, three hundred thirty".