31023212111322 has 32 divisors (see below), whose sum is σ = 65312358054720. Its totient is φ = 9796753941120.

The previous prime is 31023212111267. The next prime is 31023212111371. The reversal of 31023212111322 is 22311121232013.

It is a junction number, because it is equal to n+sod(n) for n = 31023212111292 and 31023212111301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26431422 + ... + 27580182.

It is an arithmetic number, because the mean of its divisors is an integer number (2041011189210).

Almost surely, 2^{31023212111322} is an apocalyptic number.

31023212111322 is an abundant number, since it is smaller than the sum of its proper divisors (34289145943398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31023212111322 is a wasteful number, since it uses less digits than its factorization.

31023212111322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385678.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31023212111322 its reverse (22311121232013), we get a palindrome (53334333343335).

The spelling of 31023212111322 in words is "thirty-one trillion, twenty-three billion, two hundred twelve million, one hundred eleven thousand, three hundred twenty-two".