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31012222221410 = 253101222222141
BaseRepresentation
bin1110000110100100110000…
…11111010011110001100010
311001210201222002101100210012
413003102120133103301202
513031101012342041120
6145542452422204522
76350362530326633
oct703223037236142
9131721862340705
1031012222221410
119977233a58881
12358a462583742
13143c594907161
14792ddcb3988a
1538ba745591c5
hex1c34987d3c62

31012222221410 has 8 divisors (see below), whose sum is σ = 55821999998556. Its totient is φ = 12404888888560.

The previous prime is 31012222221391. The next prime is 31012222221427. The reversal of 31012222221410 is 1412222221013.

It can be written as a sum of positive squares in 2 ways, for example, as 30294049024009 + 718173197401 = 5504003^2 + 847451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×310122222214102 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550611111061 + ... + 1550611111080.

Almost surely, 231012222221410 is an apocalyptic number.

31012222221410 is a deficient number, since it is larger than the sum of its proper divisors (24809777777146).

31012222221410 is a wasteful number, since it uses less digits than its factorization.

31012222221410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101222222148.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 31012222221410 its reverse (1412222221013), we get a palindrome (32424444442423).

The spelling of 31012222221410 in words is "thirty-one trillion, twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, four hundred ten".

Divisors: 1 2 5 10 3101222222141 6202444444282 15506111110705 31012222221410